[wip] Update listings for chapters 18–21 (prev. 17–20)

Tasks to be done: - [ ] Update all listing *output* to match what it should be for the version of Rust we are using at the time we actually merge this. - [ ] (Re-)Update all references to listings to be correct.
rust-lang · Jun 20, 2024 · b7b99bc · b7b99bc
2 parents 11243bf + a99d21f
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diff --git a/listings/ch11-writing-automated-tests/listing-11-03/src/lib.rs b/listings/ch11-writing-automated-tests/listing-11-03/src/lib.rs
@@ -12,7 +12,7 @@ mod tests {
         let result = add(2, 2);
         assert_eq!(result, 4);
     }
-    
+
     #[test]
     fn another() {
         panic!("Make this test fail");

diff --git a/listings/ch17-oop/listing-17-01/Cargo.lock → listings/ch18-oop/listing-18-01/Cargo.lock b/listings/ch17-oop/listing-17-01/Cargo.lock → listings/ch18-oop/listing-18-01/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-01/Cargo.toml → listings/ch18-oop/listing-18-01/Cargo.toml b/listings/ch17-oop/listing-17-01/Cargo.toml → listings/ch18-oop/listing-18-01/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-01/src/lib.rs → listings/ch18-oop/listing-18-01/src/lib.rs b/listings/ch17-oop/listing-17-01/src/lib.rs → listings/ch18-oop/listing-18-01/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-02/Cargo.lock → listings/ch18-oop/listing-18-02/Cargo.lock b/listings/ch17-oop/listing-17-02/Cargo.lock → listings/ch18-oop/listing-18-02/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-02/Cargo.toml → listings/ch18-oop/listing-18-02/Cargo.toml b/listings/ch17-oop/listing-17-02/Cargo.toml → listings/ch18-oop/listing-18-02/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-02/src/lib.rs → listings/ch18-oop/listing-18-02/src/lib.rs b/listings/ch17-oop/listing-17-02/src/lib.rs → listings/ch18-oop/listing-18-02/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-03/Cargo.lock → listings/ch18-oop/listing-18-03/Cargo.lock b/listings/ch17-oop/listing-17-03/Cargo.lock → listings/ch18-oop/listing-18-03/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-03/Cargo.toml → listings/ch18-oop/listing-18-03/Cargo.toml b/listings/ch17-oop/listing-17-03/Cargo.toml → listings/ch18-oop/listing-18-03/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-03/src/lib.rs → listings/ch18-oop/listing-18-03/src/lib.rs b/listings/ch17-oop/listing-17-03/src/lib.rs → listings/ch18-oop/listing-18-03/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-04/Cargo.lock → listings/ch18-oop/listing-18-04/Cargo.lock b/listings/ch17-oop/listing-17-04/Cargo.lock → listings/ch18-oop/listing-18-04/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-04/Cargo.toml → listings/ch18-oop/listing-18-04/Cargo.toml b/listings/ch17-oop/listing-17-04/Cargo.toml → listings/ch18-oop/listing-18-04/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-04/src/lib.rs → listings/ch18-oop/listing-18-04/src/lib.rs b/listings/ch17-oop/listing-17-04/src/lib.rs → listings/ch18-oop/listing-18-04/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-05/Cargo.lock → listings/ch18-oop/listing-18-05/Cargo.lock b/listings/ch17-oop/listing-17-05/Cargo.lock → listings/ch18-oop/listing-18-05/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-05/Cargo.toml → listings/ch18-oop/listing-18-05/Cargo.toml b/listings/ch17-oop/listing-17-05/Cargo.toml → listings/ch18-oop/listing-18-05/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-05/src/lib.rs → listings/ch18-oop/listing-18-05/src/lib.rs b/listings/ch17-oop/listing-17-05/src/lib.rs → listings/ch18-oop/listing-18-05/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-06/Cargo.lock → listings/ch18-oop/listing-18-06/Cargo.lock b/listings/ch17-oop/listing-17-06/Cargo.lock → listings/ch18-oop/listing-18-06/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-06/Cargo.toml → listings/ch18-oop/listing-18-06/Cargo.toml b/listings/ch17-oop/listing-17-06/Cargo.toml → listings/ch18-oop/listing-18-06/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-06/src/lib.rs → listings/ch18-oop/listing-18-06/src/lib.rs b/listings/ch17-oop/listing-17-06/src/lib.rs → listings/ch18-oop/listing-18-06/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-07/Cargo.lock → listings/ch18-oop/listing-18-07/Cargo.lock b/listings/ch17-oop/listing-17-07/Cargo.lock → listings/ch18-oop/listing-18-07/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-07/Cargo.toml → listings/ch18-oop/listing-18-07/Cargo.toml b/listings/ch17-oop/listing-17-07/Cargo.toml → listings/ch18-oop/listing-18-07/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-07/src/lib.rs → listings/ch18-oop/listing-18-07/src/lib.rs b/listings/ch17-oop/listing-17-07/src/lib.rs → listings/ch18-oop/listing-18-07/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-08/Cargo.lock → listings/ch18-oop/listing-18-08/Cargo.lock b/listings/ch17-oop/listing-17-08/Cargo.lock → listings/ch18-oop/listing-18-08/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-08/Cargo.toml → listings/ch18-oop/listing-18-08/Cargo.toml b/listings/ch17-oop/listing-17-08/Cargo.toml → listings/ch18-oop/listing-18-08/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-08/src/lib.rs → listings/ch18-oop/listing-18-08/src/lib.rs b/listings/ch17-oop/listing-17-08/src/lib.rs → listings/ch18-oop/listing-18-08/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-08/src/main.rs → listings/ch18-oop/listing-18-08/src/main.rs b/listings/ch17-oop/listing-17-08/src/main.rs → listings/ch18-oop/listing-18-08/src/main.rs
diff --git a/listings/ch17-oop/listing-17-09/Cargo.lock → listings/ch18-oop/listing-18-09/Cargo.lock b/listings/ch17-oop/listing-17-09/Cargo.lock → listings/ch18-oop/listing-18-09/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-09/Cargo.toml → listings/ch18-oop/listing-18-09/Cargo.toml b/listings/ch17-oop/listing-17-09/Cargo.toml → listings/ch18-oop/listing-18-09/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-09/src/lib.rs → listings/ch18-oop/listing-18-09/src/lib.rs b/listings/ch17-oop/listing-17-09/src/lib.rs → listings/ch18-oop/listing-18-09/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-09/src/main.rs → listings/ch18-oop/listing-18-09/src/main.rs b/listings/ch17-oop/listing-17-09/src/main.rs → listings/ch18-oop/listing-18-09/src/main.rs
diff --git a/listings/ch17-oop/listing-17-10/Cargo.lock → listings/ch18-oop/listing-18-10/Cargo.lock b/listings/ch17-oop/listing-17-10/Cargo.lock → listings/ch18-oop/listing-18-10/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-10/Cargo.toml → listings/ch18-oop/listing-18-10/Cargo.toml b/listings/ch17-oop/listing-17-10/Cargo.toml → listings/ch18-oop/listing-18-10/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-10/output.txt → listings/ch18-oop/listing-18-10/output.txt b/listings/ch17-oop/listing-17-10/output.txt → listings/ch18-oop/listing-18-10/output.txt
diff --git a/listings/ch17-oop/listing-17-10/src/lib.rs → listings/ch18-oop/listing-18-10/src/lib.rs b/listings/ch17-oop/listing-17-10/src/lib.rs → listings/ch18-oop/listing-18-10/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-10/src/main.rs → listings/ch18-oop/listing-18-10/src/main.rs b/listings/ch17-oop/listing-17-10/src/main.rs → listings/ch18-oop/listing-18-10/src/main.rs
diff --git a/listings/ch17-oop/listing-17-11/Cargo.lock → listings/ch18-oop/listing-18-11/Cargo.lock b/listings/ch17-oop/listing-17-11/Cargo.lock → listings/ch18-oop/listing-18-11/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-11/Cargo.toml → listings/ch18-oop/listing-18-11/Cargo.toml b/listings/ch17-oop/listing-17-11/Cargo.toml → listings/ch18-oop/listing-18-11/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-11/src/main.rs → listings/ch18-oop/listing-18-11/src/main.rs b/listings/ch17-oop/listing-17-11/src/main.rs → listings/ch18-oop/listing-18-11/src/main.rs
diff --git a/listings/ch17-oop/listing-17-12/Cargo.lock → listings/ch18-oop/listing-18-12/Cargo.lock b/listings/ch17-oop/listing-17-12/Cargo.lock → listings/ch18-oop/listing-18-12/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-12/Cargo.toml → listings/ch18-oop/listing-18-12/Cargo.toml b/listings/ch17-oop/listing-17-12/Cargo.toml → listings/ch18-oop/listing-18-12/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-12/src/lib.rs → listings/ch18-oop/listing-18-12/src/lib.rs b/listings/ch17-oop/listing-17-12/src/lib.rs → listings/ch18-oop/listing-18-12/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-12/src/main.rs → listings/ch18-oop/listing-18-12/src/main.rs b/listings/ch17-oop/listing-17-12/src/main.rs → listings/ch18-oop/listing-18-12/src/main.rs
diff --git a/listings/ch17-oop/listing-17-13/Cargo.lock → listings/ch18-oop/listing-18-13/Cargo.lock b/listings/ch17-oop/listing-17-13/Cargo.lock → listings/ch18-oop/listing-18-13/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-13/Cargo.toml → listings/ch18-oop/listing-18-13/Cargo.toml b/listings/ch17-oop/listing-17-13/Cargo.toml → listings/ch18-oop/listing-18-13/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-13/src/lib.rs → listings/ch18-oop/listing-18-13/src/lib.rs b/listings/ch17-oop/listing-17-13/src/lib.rs → listings/ch18-oop/listing-18-13/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-13/src/main.rs → listings/ch18-oop/listing-18-13/src/main.rs b/listings/ch17-oop/listing-17-13/src/main.rs → listings/ch18-oop/listing-18-13/src/main.rs
diff --git a/listings/ch17-oop/listing-17-14/Cargo.lock → listings/ch18-oop/listing-18-14/Cargo.lock b/listings/ch17-oop/listing-17-14/Cargo.lock → listings/ch18-oop/listing-18-14/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-14/Cargo.toml → listings/ch18-oop/listing-18-14/Cargo.toml b/listings/ch17-oop/listing-17-14/Cargo.toml → listings/ch18-oop/listing-18-14/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-14/src/lib.rs → listings/ch18-oop/listing-18-14/src/lib.rs b/listings/ch17-oop/listing-17-14/src/lib.rs → listings/ch18-oop/listing-18-14/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-14/src/main.rs → listings/ch18-oop/listing-18-14/src/main.rs b/listings/ch17-oop/listing-17-14/src/main.rs → listings/ch18-oop/listing-18-14/src/main.rs
diff --git a/listings/ch17-oop/listing-17-15/Cargo.lock → listings/ch18-oop/listing-18-15/Cargo.lock b/listings/ch17-oop/listing-17-15/Cargo.lock → listings/ch18-oop/listing-18-15/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-15/Cargo.toml → listings/ch18-oop/listing-18-15/Cargo.toml b/listings/ch17-oop/listing-17-15/Cargo.toml → listings/ch18-oop/listing-18-15/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-15/src/lib.rs → listings/ch18-oop/listing-18-15/src/lib.rs b/listings/ch17-oop/listing-17-15/src/lib.rs → listings/ch18-oop/listing-18-15/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-15/src/main.rs → listings/ch18-oop/listing-18-15/src/main.rs b/listings/ch17-oop/listing-17-15/src/main.rs → listings/ch18-oop/listing-18-15/src/main.rs
diff --git a/listings/ch17-oop/listing-17-16/Cargo.lock → listings/ch18-oop/listing-18-16/Cargo.lock b/listings/ch17-oop/listing-17-16/Cargo.lock → listings/ch18-oop/listing-18-16/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-16/Cargo.toml → listings/ch18-oop/listing-18-16/Cargo.toml b/listings/ch17-oop/listing-17-16/Cargo.toml → listings/ch18-oop/listing-18-16/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-16/src/lib.rs → listings/ch18-oop/listing-18-16/src/lib.rs b/listings/ch17-oop/listing-17-16/src/lib.rs → listings/ch18-oop/listing-18-16/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-16/src/main.rs → listings/ch18-oop/listing-18-16/src/main.rs b/listings/ch17-oop/listing-17-16/src/main.rs → listings/ch18-oop/listing-18-16/src/main.rs
diff --git a/listings/ch17-oop/listing-17-17/Cargo.lock → listings/ch18-oop/listing-18-17/Cargo.lock b/listings/ch17-oop/listing-17-17/Cargo.lock → listings/ch18-oop/listing-18-17/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-17/Cargo.toml → listings/ch18-oop/listing-18-17/Cargo.toml b/listings/ch17-oop/listing-17-17/Cargo.toml → listings/ch18-oop/listing-18-17/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-17/src/lib.rs → listings/ch18-oop/listing-18-17/src/lib.rs b/listings/ch17-oop/listing-17-17/src/lib.rs → listings/ch18-oop/listing-18-17/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-17/src/main.rs → listings/ch18-oop/listing-18-17/src/main.rs b/listings/ch17-oop/listing-17-17/src/main.rs → listings/ch18-oop/listing-18-17/src/main.rs
diff --git a/listings/ch17-oop/listing-17-18/Cargo.lock → listings/ch18-oop/listing-18-18/Cargo.lock b/listings/ch17-oop/listing-17-18/Cargo.lock → listings/ch18-oop/listing-18-18/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-18/Cargo.toml → listings/ch18-oop/listing-18-18/Cargo.toml b/listings/ch17-oop/listing-17-18/Cargo.toml → listings/ch18-oop/listing-18-18/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-18/src/lib.rs → listings/ch18-oop/listing-18-18/src/lib.rs b/listings/ch17-oop/listing-17-18/src/lib.rs → listings/ch18-oop/listing-18-18/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-18/src/main.rs → listings/ch18-oop/listing-18-18/src/main.rs b/listings/ch17-oop/listing-17-18/src/main.rs → listings/ch18-oop/listing-18-18/src/main.rs
diff --git a/listings/ch17-oop/listing-17-19/Cargo.lock → listings/ch18-oop/listing-18-19/Cargo.lock b/listings/ch17-oop/listing-17-19/Cargo.lock → listings/ch18-oop/listing-18-19/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-19/Cargo.toml → listings/ch18-oop/listing-18-19/Cargo.toml b/listings/ch17-oop/listing-17-19/Cargo.toml → listings/ch18-oop/listing-18-19/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-19/src/lib.rs → listings/ch18-oop/listing-18-19/src/lib.rs b/listings/ch17-oop/listing-17-19/src/lib.rs → listings/ch18-oop/listing-18-19/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-20/Cargo.lock → listings/ch18-oop/listing-18-20/Cargo.lock b/listings/ch17-oop/listing-17-20/Cargo.lock → listings/ch18-oop/listing-18-20/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-20/Cargo.toml → listings/ch18-oop/listing-18-20/Cargo.toml b/listings/ch17-oop/listing-17-20/Cargo.toml → listings/ch18-oop/listing-18-20/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-20/src/lib.rs → listings/ch18-oop/listing-18-20/src/lib.rs b/listings/ch17-oop/listing-17-20/src/lib.rs → listings/ch18-oop/listing-18-20/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-21/Cargo.lock → listings/ch18-oop/listing-18-21/Cargo.lock b/listings/ch17-oop/listing-17-21/Cargo.lock → listings/ch18-oop/listing-18-21/Cargo.lock
diff --git a/listings/ch17-oop/listing-17-21/Cargo.toml → listings/ch18-oop/listing-18-21/Cargo.toml b/listings/ch17-oop/listing-17-21/Cargo.toml → listings/ch18-oop/listing-18-21/Cargo.toml
diff --git a/listings/ch17-oop/listing-17-21/src/lib.rs → listings/ch18-oop/listing-18-21/src/lib.rs b/listings/ch17-oop/listing-17-21/src/lib.rs → listings/ch18-oop/listing-18-21/src/lib.rs
diff --git a/listings/ch17-oop/listing-17-21/src/main.rs → listings/ch18-oop/listing-18-21/src/main.rs b/listings/ch17-oop/listing-17-21/src/main.rs → listings/ch18-oop/listing-18-21/src/main.rs
diff --git a/...rns-and-matching/listing-18-01/Cargo.lock → ...rns-and-matching/listing-19-01/Cargo.lock b/...rns-and-matching/listing-18-01/Cargo.lock → ...rns-and-matching/listing-19-01/Cargo.lock
diff --git a/...rns-and-matching/listing-18-01/Cargo.toml → ...rns-and-matching/listing-19-01/Cargo.toml b/...rns-and-matching/listing-18-01/Cargo.toml → ...rns-and-matching/listing-19-01/Cargo.toml
diff --git a/...ns-and-matching/listing-18-01/src/main.rs → ...ns-and-matching/listing-19-01/src/main.rs b/...ns-and-matching/listing-18-01/src/main.rs → ...ns-and-matching/listing-19-01/src/main.rs
diff --git a/...rns-and-matching/listing-18-02/Cargo.lock → ...rns-and-matching/listing-19-02/Cargo.lock b/...rns-and-matching/listing-18-02/Cargo.lock → ...rns-and-matching/listing-19-02/Cargo.lock
diff --git a/...rns-and-matching/listing-18-02/Cargo.toml → ...rns-and-matching/listing-19-02/Cargo.toml b/...rns-and-matching/listing-18-02/Cargo.toml → ...rns-and-matching/listing-19-02/Cargo.toml
diff --git a/...ns-and-matching/listing-18-02/src/main.rs → ...ns-and-matching/listing-19-02/src/main.rs b/...ns-and-matching/listing-18-02/src/main.rs → ...ns-and-matching/listing-19-02/src/main.rs
diff --git a/...rns-and-matching/listing-18-03/Cargo.lock → ...rns-and-matching/listing-19-03/Cargo.lock b/...rns-and-matching/listing-18-03/Cargo.lock → ...rns-and-matching/listing-19-03/Cargo.lock
diff --git a/...rns-and-matching/listing-18-03/Cargo.toml → ...rns-and-matching/listing-19-03/Cargo.toml b/...rns-and-matching/listing-18-03/Cargo.toml → ...rns-and-matching/listing-19-03/Cargo.toml
diff --git a/...rns-and-matching/listing-18-03/output.txt → ...rns-and-matching/listing-19-03/output.txt b/...rns-and-matching/listing-18-03/output.txt → ...rns-and-matching/listing-19-03/output.txt
@@ -1,6 +1,6 @@
 $ cargo run
    Compiling patterns v0.1.0 (file:///projects/patterns)
-    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
+    Finished dev [unoptimized + debuginfo] target(s) in 0.52s
      Running `target/debug/patterns`
 a is at index 0
 b is at index 1

diff --git a/...ns-and-matching/listing-18-03/src/main.rs → ...ns-and-matching/listing-19-03/src/main.rs b/...ns-and-matching/listing-18-03/src/main.rs → ...ns-and-matching/listing-19-03/src/main.rs
diff --git a/...rns-and-matching/listing-18-04/Cargo.lock → ...rns-and-matching/listing-19-04/Cargo.lock b/...rns-and-matching/listing-18-04/Cargo.lock → ...rns-and-matching/listing-19-04/Cargo.lock
diff --git a/...rns-and-matching/listing-18-04/Cargo.toml → ...rns-and-matching/listing-19-04/Cargo.toml b/...rns-and-matching/listing-18-04/Cargo.toml → ...rns-and-matching/listing-19-04/Cargo.toml
diff --git a/...ns-and-matching/listing-18-04/src/main.rs → ...ns-and-matching/listing-19-04/src/main.rs b/...ns-and-matching/listing-18-04/src/main.rs → ...ns-and-matching/listing-19-04/src/main.rs
diff --git a/...rns-and-matching/listing-18-05/Cargo.lock → ...rns-and-matching/listing-19-05/Cargo.lock b/...rns-and-matching/listing-18-05/Cargo.lock → ...rns-and-matching/listing-19-05/Cargo.lock
diff --git a/...rns-and-matching/listing-18-05/Cargo.toml → ...rns-and-matching/listing-19-05/Cargo.toml b/...rns-and-matching/listing-18-05/Cargo.toml → ...rns-and-matching/listing-19-05/Cargo.toml
diff --git a/...rns-and-matching/listing-18-05/output.txt → ...rns-and-matching/listing-19-05/output.txt b/...rns-and-matching/listing-18-05/output.txt → ...rns-and-matching/listing-19-05/output.txt
diff --git a/...ns-and-matching/listing-18-05/src/main.rs → ...ns-and-matching/listing-19-05/src/main.rs b/...ns-and-matching/listing-18-05/src/main.rs → ...ns-and-matching/listing-19-05/src/main.rs
diff --git a/...rns-and-matching/listing-18-06/Cargo.lock → ...rns-and-matching/listing-19-06/Cargo.lock b/...rns-and-matching/listing-18-06/Cargo.lock → ...rns-and-matching/listing-19-06/Cargo.lock
diff --git a/...rns-and-matching/listing-18-06/Cargo.toml → ...rns-and-matching/listing-19-06/Cargo.toml b/...rns-and-matching/listing-18-06/Cargo.toml → ...rns-and-matching/listing-19-06/Cargo.toml
diff --git a/...ns-and-matching/listing-18-06/src/main.rs → ...ns-and-matching/listing-19-06/src/main.rs b/...ns-and-matching/listing-18-06/src/main.rs → ...ns-and-matching/listing-19-06/src/main.rs
diff --git a/...rns-and-matching/listing-18-07/Cargo.lock → ...rns-and-matching/listing-19-07/Cargo.lock b/...rns-and-matching/listing-18-07/Cargo.lock → ...rns-and-matching/listing-19-07/Cargo.lock
diff --git a/...rns-and-matching/listing-18-07/Cargo.toml → ...rns-and-matching/listing-19-07/Cargo.toml b/...rns-and-matching/listing-18-07/Cargo.toml → ...rns-and-matching/listing-19-07/Cargo.toml
diff --git a/...ns-and-matching/listing-18-07/src/main.rs → ...ns-and-matching/listing-19-07/src/main.rs b/...ns-and-matching/listing-18-07/src/main.rs → ...ns-and-matching/listing-19-07/src/main.rs
diff --git a/...rns-and-matching/listing-18-08/Cargo.lock → ...rns-and-matching/listing-19-08/Cargo.lock b/...rns-and-matching/listing-18-08/Cargo.lock → ...rns-and-matching/listing-19-08/Cargo.lock
diff --git a/...rns-and-matching/listing-18-08/Cargo.toml → ...rns-and-matching/listing-19-08/Cargo.toml b/...rns-and-matching/listing-18-08/Cargo.toml → ...rns-and-matching/listing-19-08/Cargo.toml
diff --git a/...rns-and-matching/listing-18-08/output.txt → ...rns-and-matching/listing-19-08/output.txt b/...rns-and-matching/listing-18-08/output.txt → ...rns-and-matching/listing-19-08/output.txt
diff --git a/...ns-and-matching/listing-18-08/src/main.rs → ...ns-and-matching/listing-19-08/src/main.rs b/...ns-and-matching/listing-18-08/src/main.rs → ...ns-and-matching/listing-19-08/src/main.rs
diff --git a/...rns-and-matching/listing-18-09/Cargo.lock → ...rns-and-matching/listing-19-09/Cargo.lock b/...rns-and-matching/listing-18-09/Cargo.lock → ...rns-and-matching/listing-19-09/Cargo.lock
diff --git a/...rns-and-matching/listing-18-09/Cargo.toml → ...rns-and-matching/listing-19-09/Cargo.toml b/...rns-and-matching/listing-18-09/Cargo.toml → ...rns-and-matching/listing-19-09/Cargo.toml
diff --git a/...ns-and-matching/listing-18-09/src/main.rs → ...ns-and-matching/listing-19-09/src/main.rs b/...ns-and-matching/listing-18-09/src/main.rs → ...ns-and-matching/listing-19-09/src/main.rs
diff --git a/...rns-and-matching/listing-18-10/Cargo.lock → ...rns-and-matching/listing-19-10/Cargo.lock b/...rns-and-matching/listing-18-10/Cargo.lock → ...rns-and-matching/listing-19-10/Cargo.lock
diff --git a/...rns-and-matching/listing-18-10/Cargo.toml → ...rns-and-matching/listing-19-10/Cargo.toml b/...rns-and-matching/listing-18-10/Cargo.toml → ...rns-and-matching/listing-19-10/Cargo.toml
diff --git a/...rns-and-matching/listing-18-10/output.txt → ...rns-and-matching/listing-19-10/output.txt b/...rns-and-matching/listing-18-10/output.txt → ...rns-and-matching/listing-19-10/output.txt
@@ -11,6 +11,6 @@ warning: irrefutable `if let` pattern
   = note: `#[warn(irrefutable_let_patterns)]` on by default
 
 warning: `patterns` (bin "patterns") generated 1 warning
-    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
+    Finished dev [unoptimized + debuginfo] target(s) in 0.39s
      Running `target/debug/patterns`
 5
diff --git a/...ns-and-matching/listing-18-10/src/main.rs → ...ns-and-matching/listing-19-10/src/main.rs b/...ns-and-matching/listing-18-10/src/main.rs → ...ns-and-matching/listing-19-10/src/main.rs
diff --git a/...rns-and-matching/listing-18-11/Cargo.lock → ...rns-and-matching/listing-19-11/Cargo.lock b/...rns-and-matching/listing-18-11/Cargo.lock → ...rns-and-matching/listing-19-11/Cargo.lock
diff --git a/...rns-and-matching/listing-18-11/Cargo.toml → ...rns-and-matching/listing-19-11/Cargo.toml b/...rns-and-matching/listing-18-11/Cargo.toml → ...rns-and-matching/listing-19-11/Cargo.toml
diff --git a/...ns-and-matching/listing-18-11/src/main.rs → ...ns-and-matching/listing-19-11/src/main.rs b/...ns-and-matching/listing-18-11/src/main.rs → ...ns-and-matching/listing-19-11/src/main.rs
diff --git a/...rns-and-matching/listing-18-12/Cargo.lock → ...rns-and-matching/listing-19-12/Cargo.lock b/...rns-and-matching/listing-18-12/Cargo.lock → ...rns-and-matching/listing-19-12/Cargo.lock
diff --git a/...rns-and-matching/listing-18-12/Cargo.toml → ...rns-and-matching/listing-19-12/Cargo.toml b/...rns-and-matching/listing-18-12/Cargo.toml → ...rns-and-matching/listing-19-12/Cargo.toml
diff --git a/...ns-and-matching/listing-18-12/src/main.rs → ...ns-and-matching/listing-19-12/src/main.rs b/...ns-and-matching/listing-18-12/src/main.rs → ...ns-and-matching/listing-19-12/src/main.rs
diff --git a/...rns-and-matching/listing-18-13/Cargo.lock → ...rns-and-matching/listing-19-13/Cargo.lock b/...rns-and-matching/listing-18-13/Cargo.lock → ...rns-and-matching/listing-19-13/Cargo.lock
diff --git a/...rns-and-matching/listing-18-13/Cargo.toml → ...rns-and-matching/listing-19-13/Cargo.toml b/...rns-and-matching/listing-18-13/Cargo.toml → ...rns-and-matching/listing-19-13/Cargo.toml
diff --git a/...ns-and-matching/listing-18-13/src/main.rs → ...ns-and-matching/listing-19-13/src/main.rs b/...ns-and-matching/listing-18-13/src/main.rs → ...ns-and-matching/listing-19-13/src/main.rs
diff --git a/...rns-and-matching/listing-18-14/Cargo.lock → ...rns-and-matching/listing-19-14/Cargo.lock b/...rns-and-matching/listing-18-14/Cargo.lock → ...rns-and-matching/listing-19-14/Cargo.lock
diff --git a/...rns-and-matching/listing-18-14/Cargo.toml → ...rns-and-matching/listing-19-14/Cargo.toml b/...rns-and-matching/listing-18-14/Cargo.toml → ...rns-and-matching/listing-19-14/Cargo.toml
diff --git a/...ns-and-matching/listing-18-14/src/main.rs → ...ns-and-matching/listing-19-14/src/main.rs b/...ns-and-matching/listing-18-14/src/main.rs → ...ns-and-matching/listing-19-14/src/main.rs
diff --git a/...rns-and-matching/listing-18-15/Cargo.lock → ...rns-and-matching/listing-19-15/Cargo.lock b/...rns-and-matching/listing-18-15/Cargo.lock → ...rns-and-matching/listing-19-15/Cargo.lock
diff --git a/...rns-and-matching/listing-18-15/Cargo.toml → ...rns-and-matching/listing-19-15/Cargo.toml b/...rns-and-matching/listing-18-15/Cargo.toml → ...rns-and-matching/listing-19-15/Cargo.toml
diff --git a/...ns-and-matching/listing-18-15/src/main.rs → ...ns-and-matching/listing-19-15/src/main.rs b/...ns-and-matching/listing-18-15/src/main.rs → ...ns-and-matching/listing-19-15/src/main.rs
diff --git a/...rns-and-matching/listing-18-16/Cargo.lock → ...rns-and-matching/listing-19-16/Cargo.lock b/...rns-and-matching/listing-18-16/Cargo.lock → ...rns-and-matching/listing-19-16/Cargo.lock
diff --git a/...rns-and-matching/listing-18-16/Cargo.toml → ...rns-and-matching/listing-19-16/Cargo.toml b/...rns-and-matching/listing-18-16/Cargo.toml → ...rns-and-matching/listing-19-16/Cargo.toml
diff --git a/...ns-and-matching/listing-18-16/src/main.rs → ...ns-and-matching/listing-19-16/src/main.rs b/...ns-and-matching/listing-18-16/src/main.rs → ...ns-and-matching/listing-19-16/src/main.rs
diff --git a/...rns-and-matching/listing-18-17/Cargo.lock → ...rns-and-matching/listing-19-17/Cargo.lock b/...rns-and-matching/listing-18-17/Cargo.lock → ...rns-and-matching/listing-19-17/Cargo.lock
diff --git a/...rns-and-matching/listing-18-17/Cargo.toml → ...rns-and-matching/listing-19-17/Cargo.toml b/...rns-and-matching/listing-18-17/Cargo.toml → ...rns-and-matching/listing-19-17/Cargo.toml
diff --git a/...ns-and-matching/listing-18-17/src/main.rs → ...ns-and-matching/listing-19-17/src/main.rs b/...ns-and-matching/listing-18-17/src/main.rs → ...ns-and-matching/listing-19-17/src/main.rs
diff --git a/...rns-and-matching/listing-18-18/Cargo.lock → ...rns-and-matching/listing-19-18/Cargo.lock b/...rns-and-matching/listing-18-18/Cargo.lock → ...rns-and-matching/listing-19-18/Cargo.lock
diff --git a/...rns-and-matching/listing-18-18/Cargo.toml → ...rns-and-matching/listing-19-18/Cargo.toml b/...rns-and-matching/listing-18-18/Cargo.toml → ...rns-and-matching/listing-19-18/Cargo.toml
diff --git a/...ns-and-matching/listing-18-18/src/main.rs → ...ns-and-matching/listing-19-18/src/main.rs b/...ns-and-matching/listing-18-18/src/main.rs → ...ns-and-matching/listing-19-18/src/main.rs
diff --git a/...rns-and-matching/listing-18-19/Cargo.lock → ...rns-and-matching/listing-19-19/Cargo.lock b/...rns-and-matching/listing-18-19/Cargo.lock → ...rns-and-matching/listing-19-19/Cargo.lock
diff --git a/...rns-and-matching/listing-18-19/Cargo.toml → ...rns-and-matching/listing-19-19/Cargo.toml b/...rns-and-matching/listing-18-19/Cargo.toml → ...rns-and-matching/listing-19-19/Cargo.toml
diff --git a/...ns-and-matching/listing-18-19/src/main.rs → ...ns-and-matching/listing-19-19/src/main.rs b/...ns-and-matching/listing-18-19/src/main.rs → ...ns-and-matching/listing-19-19/src/main.rs
diff --git a/...rns-and-matching/listing-18-20/Cargo.lock → ...rns-and-matching/listing-19-20/Cargo.lock b/...rns-and-matching/listing-18-20/Cargo.lock → ...rns-and-matching/listing-19-20/Cargo.lock
diff --git a/...rns-and-matching/listing-18-20/Cargo.toml → ...rns-and-matching/listing-19-20/Cargo.toml b/...rns-and-matching/listing-18-20/Cargo.toml → ...rns-and-matching/listing-19-20/Cargo.toml
diff --git a/...ns-and-matching/listing-18-20/src/main.rs → ...ns-and-matching/listing-19-20/src/main.rs b/...ns-and-matching/listing-18-20/src/main.rs → ...ns-and-matching/listing-19-20/src/main.rs
diff --git a/...rns-and-matching/listing-18-21/Cargo.lock → ...rns-and-matching/listing-19-21/Cargo.lock b/...rns-and-matching/listing-18-21/Cargo.lock → ...rns-and-matching/listing-19-21/Cargo.lock
diff --git a/...rns-and-matching/listing-18-21/Cargo.toml → ...rns-and-matching/listing-19-21/Cargo.toml b/...rns-and-matching/listing-18-21/Cargo.toml → ...rns-and-matching/listing-19-21/Cargo.toml
diff --git a/...ns-and-matching/listing-18-21/src/main.rs → ...ns-and-matching/listing-19-21/src/main.rs b/...ns-and-matching/listing-18-21/src/main.rs → ...ns-and-matching/listing-19-21/src/main.rs
diff --git a/...rns-and-matching/listing-18-22/Cargo.lock → ...rns-and-matching/listing-19-22/Cargo.lock b/...rns-and-matching/listing-18-22/Cargo.lock → ...rns-and-matching/listing-19-22/Cargo.lock
diff --git a/...rns-and-matching/listing-18-22/Cargo.toml → ...rns-and-matching/listing-19-22/Cargo.toml b/...rns-and-matching/listing-18-22/Cargo.toml → ...rns-and-matching/listing-19-22/Cargo.toml
diff --git a/...ns-and-matching/listing-18-22/src/main.rs → ...ns-and-matching/listing-19-22/src/main.rs b/...ns-and-matching/listing-18-22/src/main.rs → ...ns-and-matching/listing-19-22/src/main.rs
diff --git a/...rns-and-matching/listing-18-23/Cargo.lock → ...rns-and-matching/listing-19-23/Cargo.lock b/...rns-and-matching/listing-18-23/Cargo.lock → ...rns-and-matching/listing-19-23/Cargo.lock
diff --git a/...rns-and-matching/listing-18-23/Cargo.toml → ...rns-and-matching/listing-19-23/Cargo.toml b/...rns-and-matching/listing-18-23/Cargo.toml → ...rns-and-matching/listing-19-23/Cargo.toml
diff --git a/...ns-and-matching/listing-18-23/src/main.rs → ...ns-and-matching/listing-19-23/src/main.rs b/...ns-and-matching/listing-18-23/src/main.rs → ...ns-and-matching/listing-19-23/src/main.rs
diff --git a/...rns-and-matching/listing-18-24/Cargo.lock → ...rns-and-matching/listing-19-24/Cargo.lock b/...rns-and-matching/listing-18-24/Cargo.lock → ...rns-and-matching/listing-19-24/Cargo.lock
diff --git a/...rns-and-matching/listing-18-24/Cargo.toml → ...rns-and-matching/listing-19-24/Cargo.toml b/...rns-and-matching/listing-18-24/Cargo.toml → ...rns-and-matching/listing-19-24/Cargo.toml
diff --git a/...ns-and-matching/listing-18-24/src/main.rs → ...ns-and-matching/listing-19-24/src/main.rs b/...ns-and-matching/listing-18-24/src/main.rs → ...ns-and-matching/listing-19-24/src/main.rs
diff --git a/...rns-and-matching/listing-18-25/Cargo.lock → ...rns-and-matching/listing-19-25/Cargo.lock b/...rns-and-matching/listing-18-25/Cargo.lock → ...rns-and-matching/listing-19-25/Cargo.lock
diff --git a/...rns-and-matching/listing-18-25/Cargo.toml → ...rns-and-matching/listing-19-25/Cargo.toml b/...rns-and-matching/listing-18-25/Cargo.toml → ...rns-and-matching/listing-19-25/Cargo.toml
diff --git a/...rns-and-matching/listing-18-25/output.txt → ...rns-and-matching/listing-19-25/output.txt b/...rns-and-matching/listing-18-25/output.txt → ...rns-and-matching/listing-19-25/output.txt
diff --git a/...and-matching/listing-18-25/rustfmt-ignore → ...and-matching/listing-19-25/rustfmt-ignore b/...and-matching/listing-18-25/rustfmt-ignore → ...and-matching/listing-19-25/rustfmt-ignore
diff --git a/...ns-and-matching/listing-18-25/src/main.rs → ...ns-and-matching/listing-19-25/src/main.rs b/...ns-and-matching/listing-18-25/src/main.rs → ...ns-and-matching/listing-19-25/src/main.rs
diff --git a/...rns-and-matching/listing-18-26/Cargo.lock → ...rns-and-matching/listing-19-26/Cargo.lock b/...rns-and-matching/listing-18-26/Cargo.lock → ...rns-and-matching/listing-19-26/Cargo.lock
diff --git a/...rns-and-matching/listing-18-26/Cargo.toml → ...rns-and-matching/listing-19-26/Cargo.toml b/...rns-and-matching/listing-18-26/Cargo.toml → ...rns-and-matching/listing-19-26/Cargo.toml
diff --git a/...ns-and-matching/listing-18-26/src/main.rs → ...ns-and-matching/listing-19-26/src/main.rs b/...ns-and-matching/listing-18-26/src/main.rs → ...ns-and-matching/listing-19-26/src/main.rs
diff --git a/...rns-and-matching/listing-18-27/Cargo.lock → ...rns-and-matching/listing-19-27/Cargo.lock b/...rns-and-matching/listing-18-27/Cargo.lock → ...rns-and-matching/listing-19-27/Cargo.lock
diff --git a/...rns-and-matching/listing-18-27/Cargo.toml → ...rns-and-matching/listing-19-27/Cargo.toml b/...rns-and-matching/listing-18-27/Cargo.toml → ...rns-and-matching/listing-19-27/Cargo.toml
diff --git a/...ns-and-matching/listing-18-27/src/main.rs → ...ns-and-matching/listing-19-27/src/main.rs b/...ns-and-matching/listing-18-27/src/main.rs → ...ns-and-matching/listing-19-27/src/main.rs
diff --git a/...rns-and-matching/listing-18-28/Cargo.lock → ...rns-and-matching/listing-19-28/Cargo.lock b/...rns-and-matching/listing-18-28/Cargo.lock → ...rns-and-matching/listing-19-28/Cargo.lock
diff --git a/...rns-and-matching/listing-18-28/Cargo.toml → ...rns-and-matching/listing-19-28/Cargo.toml b/...rns-and-matching/listing-18-28/Cargo.toml → ...rns-and-matching/listing-19-28/Cargo.toml
diff --git a/...ns-and-matching/listing-18-28/src/main.rs → ...ns-and-matching/listing-19-28/src/main.rs b/...ns-and-matching/listing-18-28/src/main.rs → ...ns-and-matching/listing-19-28/src/main.rs
diff --git a/...rns-and-matching/listing-18-29/Cargo.lock → ...rns-and-matching/listing-19-29/Cargo.lock b/...rns-and-matching/listing-18-29/Cargo.lock → ...rns-and-matching/listing-19-29/Cargo.lock
diff --git a/...rns-and-matching/listing-18-29/Cargo.toml → ...rns-and-matching/listing-19-29/Cargo.toml b/...rns-and-matching/listing-18-29/Cargo.toml → ...rns-and-matching/listing-19-29/Cargo.toml
diff --git a/...ns-and-matching/listing-18-29/src/main.rs → ...ns-and-matching/listing-19-29/src/main.rs b/...ns-and-matching/listing-18-29/src/main.rs → ...ns-and-matching/listing-19-29/src/main.rs
diff --git a/...atching/no-listing-01-literals/Cargo.lock → ...atching/no-listing-01-literals/Cargo.lock b/...atching/no-listing-01-literals/Cargo.lock → ...atching/no-listing-01-literals/Cargo.lock
diff --git a/...atching/no-listing-01-literals/Cargo.toml → ...atching/no-listing-01-literals/Cargo.toml b/...atching/no-listing-01-literals/Cargo.toml → ...atching/no-listing-01-literals/Cargo.toml
diff --git a/...tching/no-listing-01-literals/src/main.rs → ...tching/no-listing-01-literals/src/main.rs b/...tching/no-listing-01-literals/src/main.rs → ...tching/no-listing-01-literals/src/main.rs
diff --git a/...o-listing-02-multiple-patterns/Cargo.lock → ...o-listing-02-multiple-patterns/Cargo.lock b/...o-listing-02-multiple-patterns/Cargo.lock → ...o-listing-02-multiple-patterns/Cargo.lock
diff --git a/...o-listing-02-multiple-patterns/Cargo.toml → ...o-listing-02-multiple-patterns/Cargo.toml b/...o-listing-02-multiple-patterns/Cargo.toml → ...o-listing-02-multiple-patterns/Cargo.toml
diff --git a/...-listing-02-multiple-patterns/src/main.rs → ...-listing-02-multiple-patterns/src/main.rs b/...-listing-02-multiple-patterns/src/main.rs → ...-listing-02-multiple-patterns/src/main.rs
diff --git a/...-matching/no-listing-03-ranges/Cargo.lock → ...-matching/no-listing-03-ranges/Cargo.lock b/...-matching/no-listing-03-ranges/Cargo.lock → ...-matching/no-listing-03-ranges/Cargo.lock
diff --git a/...-matching/no-listing-03-ranges/Cargo.toml → ...-matching/no-listing-03-ranges/Cargo.toml b/...-matching/no-listing-03-ranges/Cargo.toml → ...-matching/no-listing-03-ranges/Cargo.toml
diff --git a/...matching/no-listing-03-ranges/src/main.rs → ...matching/no-listing-03-ranges/src/main.rs b/...matching/no-listing-03-ranges/src/main.rs → ...matching/no-listing-03-ranges/src/main.rs
diff --git a/...g/no-listing-04-ranges-of-char/Cargo.lock → ...g/no-listing-04-ranges-of-char/Cargo.lock b/...g/no-listing-04-ranges-of-char/Cargo.lock → ...g/no-listing-04-ranges-of-char/Cargo.lock
diff --git a/...g/no-listing-04-ranges-of-char/Cargo.toml → ...g/no-listing-04-ranges-of-char/Cargo.toml b/...g/no-listing-04-ranges-of-char/Cargo.toml → ...g/no-listing-04-ranges-of-char/Cargo.toml
diff --git a/.../no-listing-04-ranges-of-char/src/main.rs → .../no-listing-04-ranges-of-char/src/main.rs b/.../no-listing-04-ranges-of-char/src/main.rs → .../no-listing-04-ranges-of-char/src/main.rs
diff --git a/...structuring-structs-and-tuples/Cargo.lock → ...structuring-structs-and-tuples/Cargo.lock b/...structuring-structs-and-tuples/Cargo.lock → ...structuring-structs-and-tuples/Cargo.lock
diff --git a/...structuring-structs-and-tuples/Cargo.toml → ...structuring-structs-and-tuples/Cargo.toml b/...structuring-structs-and-tuples/Cargo.toml → ...structuring-structs-and-tuples/Cargo.toml
diff --git a/...tructuring-structs-and-tuples/src/main.rs → ...tructuring-structs-and-tuples/src/main.rs b/...tructuring-structs-and-tuples/src/main.rs → ...tructuring-structs-and-tuples/src/main.rs
diff --git a/...dvanced-features/listing-19-01/Cargo.lock → ...dvanced-features/listing-20-01/Cargo.lock b/...dvanced-features/listing-19-01/Cargo.lock → ...dvanced-features/listing-20-01/Cargo.lock
diff --git a/...dvanced-features/listing-19-01/Cargo.toml → ...dvanced-features/listing-20-01/Cargo.toml b/...dvanced-features/listing-19-01/Cargo.toml → ...dvanced-features/listing-20-01/Cargo.toml
diff --git a/...vanced-features/listing-19-01/src/main.rs → ...vanced-features/listing-20-01/src/main.rs b/...vanced-features/listing-19-01/src/main.rs → ...vanced-features/listing-20-01/src/main.rs
diff --git a/...dvanced-features/listing-19-02/Cargo.lock → ...dvanced-features/listing-20-02/Cargo.lock b/...dvanced-features/listing-19-02/Cargo.lock → ...dvanced-features/listing-20-02/Cargo.lock
diff --git a/...dvanced-features/listing-19-02/Cargo.toml → ...dvanced-features/listing-20-02/Cargo.toml b/...dvanced-features/listing-19-02/Cargo.toml → ...dvanced-features/listing-20-02/Cargo.toml
diff --git a/...vanced-features/listing-19-02/src/main.rs → ...vanced-features/listing-20-02/src/main.rs b/...vanced-features/listing-19-02/src/main.rs → ...vanced-features/listing-20-02/src/main.rs
diff --git a/...dvanced-features/listing-19-03/Cargo.lock → ...dvanced-features/listing-20-03/Cargo.lock b/...dvanced-features/listing-19-03/Cargo.lock → ...dvanced-features/listing-20-03/Cargo.lock
diff --git a/...dvanced-features/listing-19-03/Cargo.toml → ...dvanced-features/listing-20-03/Cargo.toml b/...dvanced-features/listing-19-03/Cargo.toml → ...dvanced-features/listing-20-03/Cargo.toml
diff --git a/...vanced-features/listing-19-03/src/main.rs → ...vanced-features/listing-20-03/src/main.rs b/...vanced-features/listing-19-03/src/main.rs → ...vanced-features/listing-20-03/src/main.rs
diff --git a/...dvanced-features/listing-19-04/Cargo.lock → ...dvanced-features/listing-20-04/Cargo.lock b/...dvanced-features/listing-19-04/Cargo.lock → ...dvanced-features/listing-20-04/Cargo.lock
diff --git a/...dvanced-features/listing-19-04/Cargo.toml → ...dvanced-features/listing-20-04/Cargo.toml b/...dvanced-features/listing-19-04/Cargo.toml → ...dvanced-features/listing-20-04/Cargo.toml
diff --git a/...vanced-features/listing-19-04/src/main.rs → ...vanced-features/listing-20-04/src/main.rs b/...vanced-features/listing-19-04/src/main.rs → ...vanced-features/listing-20-04/src/main.rs
diff --git a/...dvanced-features/listing-19-05/Cargo.lock → ...dvanced-features/listing-20-05/Cargo.lock b/...dvanced-features/listing-19-05/Cargo.lock → ...dvanced-features/listing-20-05/Cargo.lock
diff --git a/...dvanced-features/listing-19-05/Cargo.toml → ...dvanced-features/listing-20-05/Cargo.toml b/...dvanced-features/listing-19-05/Cargo.toml → ...dvanced-features/listing-20-05/Cargo.toml
diff --git a/...dvanced-features/listing-19-05/output.txt → ...dvanced-features/listing-20-05/output.txt b/...dvanced-features/listing-19-05/output.txt → ...dvanced-features/listing-20-05/output.txt
diff --git a/...vanced-features/listing-19-05/src/main.rs → ...vanced-features/listing-20-05/src/main.rs b/...vanced-features/listing-19-05/src/main.rs → ...vanced-features/listing-20-05/src/main.rs
diff --git a/...dvanced-features/listing-19-06/Cargo.lock → ...dvanced-features/listing-20-06/Cargo.lock b/...dvanced-features/listing-19-06/Cargo.lock → ...dvanced-features/listing-20-06/Cargo.lock
diff --git a/...dvanced-features/listing-19-06/Cargo.toml → ...dvanced-features/listing-20-06/Cargo.toml b/...dvanced-features/listing-19-06/Cargo.toml → ...dvanced-features/listing-20-06/Cargo.toml
diff --git a/...vanced-features/listing-19-06/src/main.rs → ...vanced-features/listing-20-06/src/main.rs b/...vanced-features/listing-19-06/src/main.rs → ...vanced-features/listing-20-06/src/main.rs
diff --git a/...dvanced-features/listing-19-07/Cargo.lock → ...dvanced-features/listing-20-07/Cargo.lock b/...dvanced-features/listing-19-07/Cargo.lock → ...dvanced-features/listing-20-07/Cargo.lock
diff --git a/...dvanced-features/listing-19-07/Cargo.toml → ...dvanced-features/listing-20-07/Cargo.toml b/...dvanced-features/listing-19-07/Cargo.toml → ...dvanced-features/listing-20-07/Cargo.toml
diff --git a/...vanced-features/listing-19-07/src/main.rs → ...vanced-features/listing-20-07/src/main.rs b/...vanced-features/listing-19-07/src/main.rs → ...vanced-features/listing-20-07/src/main.rs
diff --git a/...dvanced-features/listing-19-08/Cargo.lock → ...dvanced-features/listing-20-08/Cargo.lock b/...dvanced-features/listing-19-08/Cargo.lock → ...dvanced-features/listing-20-08/Cargo.lock
diff --git a/...dvanced-features/listing-19-08/Cargo.toml → ...dvanced-features/listing-20-08/Cargo.toml b/...dvanced-features/listing-19-08/Cargo.toml → ...dvanced-features/listing-20-08/Cargo.toml
diff --git a/...vanced-features/listing-19-08/src/main.rs → ...vanced-features/listing-20-08/src/main.rs b/...vanced-features/listing-19-08/src/main.rs → ...vanced-features/listing-20-08/src/main.rs
diff --git a/...dvanced-features/listing-19-09/Cargo.lock → ...dvanced-features/listing-20-09/Cargo.lock b/...dvanced-features/listing-19-09/Cargo.lock → ...dvanced-features/listing-20-09/Cargo.lock
diff --git a/...dvanced-features/listing-19-09/Cargo.toml → ...dvanced-features/listing-20-09/Cargo.toml b/...dvanced-features/listing-19-09/Cargo.toml → ...dvanced-features/listing-20-09/Cargo.toml
diff --git a/...vanced-features/listing-19-09/src/main.rs → ...vanced-features/listing-20-09/src/main.rs b/...vanced-features/listing-19-09/src/main.rs → ...vanced-features/listing-20-09/src/main.rs
diff --git a/...dvanced-features/listing-19-10/Cargo.lock → ...dvanced-features/listing-20-10/Cargo.lock b/...dvanced-features/listing-19-10/Cargo.lock → ...dvanced-features/listing-20-10/Cargo.lock
diff --git a/...dvanced-features/listing-19-10/Cargo.toml → ...dvanced-features/listing-20-10/Cargo.toml b/...dvanced-features/listing-19-10/Cargo.toml → ...dvanced-features/listing-20-10/Cargo.toml
diff --git a/...vanced-features/listing-19-10/src/main.rs → ...vanced-features/listing-20-10/src/main.rs b/...vanced-features/listing-19-10/src/main.rs → ...vanced-features/listing-20-10/src/main.rs
diff --git a/...dvanced-features/listing-19-11/Cargo.lock → ...dvanced-features/listing-20-11/Cargo.lock b/...dvanced-features/listing-19-11/Cargo.lock → ...dvanced-features/listing-20-11/Cargo.lock
diff --git a/...dvanced-features/listing-19-11/Cargo.toml → ...dvanced-features/listing-20-11/Cargo.toml b/...dvanced-features/listing-19-11/Cargo.toml → ...dvanced-features/listing-20-11/Cargo.toml
diff --git a/...vanced-features/listing-19-11/src/main.rs → ...vanced-features/listing-20-11/src/main.rs b/...vanced-features/listing-19-11/src/main.rs → ...vanced-features/listing-20-11/src/main.rs
diff --git a/...dvanced-features/listing-19-12/Cargo.lock → ...dvanced-features/listing-20-12/Cargo.lock b/...dvanced-features/listing-19-12/Cargo.lock → ...dvanced-features/listing-20-12/Cargo.lock
diff --git a/...dvanced-features/listing-19-12/Cargo.toml → ...dvanced-features/listing-20-12/Cargo.toml b/...dvanced-features/listing-19-12/Cargo.toml → ...dvanced-features/listing-20-12/Cargo.toml
diff --git a/...dvanced-features/listing-19-12/src/lib.rs → ...dvanced-features/listing-20-12/src/lib.rs b/...dvanced-features/listing-19-12/src/lib.rs → ...dvanced-features/listing-20-12/src/lib.rs
diff --git a/...dvanced-features/listing-19-13/Cargo.lock → ...dvanced-features/listing-20-13/Cargo.lock b/...dvanced-features/listing-19-13/Cargo.lock → ...dvanced-features/listing-20-13/Cargo.lock
diff --git a/...dvanced-features/listing-19-13/Cargo.toml → ...dvanced-features/listing-20-13/Cargo.toml b/...dvanced-features/listing-19-13/Cargo.toml → ...dvanced-features/listing-20-13/Cargo.toml
diff --git a/...dvanced-features/listing-19-13/src/lib.rs → ...dvanced-features/listing-20-13/src/lib.rs b/...dvanced-features/listing-19-13/src/lib.rs → ...dvanced-features/listing-20-13/src/lib.rs
diff --git a/...dvanced-features/listing-19-14/Cargo.lock → ...dvanced-features/listing-20-14/Cargo.lock b/...dvanced-features/listing-19-14/Cargo.lock → ...dvanced-features/listing-20-14/Cargo.lock
diff --git a/...dvanced-features/listing-19-14/Cargo.toml → ...dvanced-features/listing-20-14/Cargo.toml b/...dvanced-features/listing-19-14/Cargo.toml → ...dvanced-features/listing-20-14/Cargo.toml
diff --git a/...vanced-features/listing-19-14/src/main.rs → ...vanced-features/listing-20-14/src/main.rs b/...vanced-features/listing-19-14/src/main.rs → ...vanced-features/listing-20-14/src/main.rs
diff --git a/...dvanced-features/listing-19-15/Cargo.lock → ...dvanced-features/listing-20-15/Cargo.lock b/...dvanced-features/listing-19-15/Cargo.lock → ...dvanced-features/listing-20-15/Cargo.lock
diff --git a/...dvanced-features/listing-19-15/Cargo.toml → ...dvanced-features/listing-20-15/Cargo.toml b/...dvanced-features/listing-19-15/Cargo.toml → ...dvanced-features/listing-20-15/Cargo.toml
diff --git a/...dvanced-features/listing-19-15/src/lib.rs → ...dvanced-features/listing-20-15/src/lib.rs b/...dvanced-features/listing-19-15/src/lib.rs → ...dvanced-features/listing-20-15/src/lib.rs
diff --git a/...dvanced-features/listing-19-16/Cargo.lock → ...dvanced-features/listing-20-16/Cargo.lock b/...dvanced-features/listing-19-16/Cargo.lock → ...dvanced-features/listing-20-16/Cargo.lock
diff --git a/...dvanced-features/listing-19-16/Cargo.toml → ...dvanced-features/listing-20-16/Cargo.toml b/...dvanced-features/listing-19-16/Cargo.toml → ...dvanced-features/listing-20-16/Cargo.toml
diff --git a/...vanced-features/listing-19-16/src/main.rs → ...vanced-features/listing-20-16/src/main.rs b/...vanced-features/listing-19-16/src/main.rs → ...vanced-features/listing-20-16/src/main.rs
diff --git a/...dvanced-features/listing-19-17/Cargo.lock → ...dvanced-features/listing-20-17/Cargo.lock b/...dvanced-features/listing-19-17/Cargo.lock → ...dvanced-features/listing-20-17/Cargo.lock
diff --git a/...dvanced-features/listing-19-17/Cargo.toml → ...dvanced-features/listing-20-17/Cargo.toml b/...dvanced-features/listing-19-17/Cargo.toml → ...dvanced-features/listing-20-17/Cargo.toml
diff --git a/...vanced-features/listing-19-17/src/main.rs → ...vanced-features/listing-20-17/src/main.rs b/...vanced-features/listing-19-17/src/main.rs → ...vanced-features/listing-20-17/src/main.rs
diff --git a/...dvanced-features/listing-19-18/Cargo.lock → ...dvanced-features/listing-20-18/Cargo.lock b/...dvanced-features/listing-19-18/Cargo.lock → ...dvanced-features/listing-20-18/Cargo.lock
diff --git a/...dvanced-features/listing-19-18/Cargo.toml → ...dvanced-features/listing-20-18/Cargo.toml b/...dvanced-features/listing-19-18/Cargo.toml → ...dvanced-features/listing-20-18/Cargo.toml
diff --git a/...dvanced-features/listing-19-18/output.txt → ...dvanced-features/listing-20-18/output.txt b/...dvanced-features/listing-19-18/output.txt → ...dvanced-features/listing-20-18/output.txt
@@ -1,6 +1,6 @@
 $ cargo run
    Compiling traits-example v0.1.0 (file:///projects/traits-example)
-    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
+    Finished dev [unoptimized + debuginfo] target(s) in 0.46s
      Running `target/debug/traits-example`
 This is your captain speaking.
 Up!

diff --git a/...vanced-features/listing-19-18/src/main.rs → ...vanced-features/listing-20-18/src/main.rs b/...vanced-features/listing-19-18/src/main.rs → ...vanced-features/listing-20-18/src/main.rs
diff --git a/...dvanced-features/listing-19-19/Cargo.lock → ...dvanced-features/listing-20-19/Cargo.lock b/...dvanced-features/listing-19-19/Cargo.lock → ...dvanced-features/listing-20-19/Cargo.lock
diff --git a/...dvanced-features/listing-19-19/Cargo.toml → ...dvanced-features/listing-20-19/Cargo.toml b/...dvanced-features/listing-19-19/Cargo.toml → ...dvanced-features/listing-20-19/Cargo.toml
diff --git a/...dvanced-features/listing-19-19/output.txt → ...dvanced-features/listing-20-19/output.txt b/...dvanced-features/listing-19-19/output.txt → ...dvanced-features/listing-20-19/output.txt
@@ -1,5 +1,5 @@
 $ cargo run
    Compiling traits-example v0.1.0 (file:///projects/traits-example)
-    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
+    Finished dev [unoptimized + debuginfo] target(s) in 0.54s
      Running `target/debug/traits-example`
 A baby dog is called a Spot
diff --git a/...vanced-features/listing-19-19/src/main.rs → ...vanced-features/listing-20-19/src/main.rs b/...vanced-features/listing-19-19/src/main.rs → ...vanced-features/listing-20-19/src/main.rs
diff --git a/...dvanced-features/listing-19-20/Cargo.lock → ...dvanced-features/listing-20-20/Cargo.lock b/...dvanced-features/listing-19-20/Cargo.lock → ...dvanced-features/listing-20-20/Cargo.lock
diff --git a/...dvanced-features/listing-19-20/Cargo.toml → ...dvanced-features/listing-20-20/Cargo.toml b/...dvanced-features/listing-19-20/Cargo.toml → ...dvanced-features/listing-20-20/Cargo.toml
diff --git a/...dvanced-features/listing-19-20/output.txt → ...dvanced-features/listing-20-20/output.txt b/...dvanced-features/listing-19-20/output.txt → ...dvanced-features/listing-20-20/output.txt
@@ -7,7 +7,7 @@ error[E0790]: cannot call associated function on trait without specifying the co
    |     ------------------------- `Animal::baby_name` defined here
 ...
 20 |     println!("A baby dog is called a {}", Animal::baby_name());
-   |                                           ^^^^^^^^^^^^^^^^^^^ cannot call associated function of trait
+   |                                           ^^^^^^^^^^^^^^^^^ cannot call associated function of trait
    |
 help: use the fully-qualified path to the only available implementation
    |

diff --git a/...vanced-features/listing-19-20/src/main.rs → ...vanced-features/listing-20-20/src/main.rs b/...vanced-features/listing-19-20/src/main.rs → ...vanced-features/listing-20-20/src/main.rs
diff --git a/...dvanced-features/listing-19-21/Cargo.lock → ...dvanced-features/listing-20-21/Cargo.lock b/...dvanced-features/listing-19-21/Cargo.lock → ...dvanced-features/listing-20-21/Cargo.lock
diff --git a/...dvanced-features/listing-19-21/Cargo.toml → ...dvanced-features/listing-20-21/Cargo.toml b/...dvanced-features/listing-19-21/Cargo.toml → ...dvanced-features/listing-20-21/Cargo.toml
diff --git a/...dvanced-features/listing-19-21/output.txt → ...dvanced-features/listing-20-21/output.txt b/...dvanced-features/listing-19-21/output.txt → ...dvanced-features/listing-20-21/output.txt
@@ -1,5 +1,5 @@
 $ cargo run
    Compiling traits-example v0.1.0 (file:///projects/traits-example)
-    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
+    Finished dev [unoptimized + debuginfo] target(s) in 0.48s
      Running `target/debug/traits-example`
 A baby dog is called a puppy
diff --git a/...vanced-features/listing-19-21/src/main.rs → ...vanced-features/listing-20-21/src/main.rs b/...vanced-features/listing-19-21/src/main.rs → ...vanced-features/listing-20-21/src/main.rs
diff --git a/...dvanced-features/listing-19-22/Cargo.lock → ...dvanced-features/listing-20-22/Cargo.lock b/...dvanced-features/listing-19-22/Cargo.lock → ...dvanced-features/listing-20-22/Cargo.lock
diff --git a/...dvanced-features/listing-19-22/Cargo.toml → ...dvanced-features/listing-20-22/Cargo.toml b/...dvanced-features/listing-19-22/Cargo.toml → ...dvanced-features/listing-20-22/Cargo.toml
diff --git a/...vanced-features/listing-19-22/src/main.rs → ...vanced-features/listing-20-22/src/main.rs b/...vanced-features/listing-19-22/src/main.rs → ...vanced-features/listing-20-22/src/main.rs
diff --git a/...dvanced-features/listing-19-23/Cargo.lock → ...dvanced-features/listing-20-23/Cargo.lock b/...dvanced-features/listing-19-23/Cargo.lock → ...dvanced-features/listing-20-23/Cargo.lock
diff --git a/...dvanced-features/listing-19-23/Cargo.toml → ...dvanced-features/listing-20-23/Cargo.toml b/...dvanced-features/listing-19-23/Cargo.toml → ...dvanced-features/listing-20-23/Cargo.toml
diff --git a/...vanced-features/listing-19-23/src/main.rs → ...vanced-features/listing-20-23/src/main.rs b/...vanced-features/listing-19-23/src/main.rs → ...vanced-features/listing-20-23/src/main.rs
diff --git a/...dvanced-features/listing-19-24/Cargo.lock → ...dvanced-features/listing-20-24/Cargo.lock b/...dvanced-features/listing-19-24/Cargo.lock → ...dvanced-features/listing-20-24/Cargo.lock
diff --git a/...dvanced-features/listing-19-24/Cargo.toml → ...dvanced-features/listing-20-24/Cargo.toml b/...dvanced-features/listing-19-24/Cargo.toml → ...dvanced-features/listing-20-24/Cargo.toml
diff --git a/...vanced-features/listing-19-24/src/main.rs → ...vanced-features/listing-20-24/src/main.rs b/...vanced-features/listing-19-24/src/main.rs → ...vanced-features/listing-20-24/src/main.rs
diff --git a/...dvanced-features/listing-19-25/Cargo.lock → ...dvanced-features/listing-20-25/Cargo.lock b/...dvanced-features/listing-19-25/Cargo.lock → ...dvanced-features/listing-20-25/Cargo.lock
diff --git a/...dvanced-features/listing-19-25/Cargo.toml → ...dvanced-features/listing-20-25/Cargo.toml b/...dvanced-features/listing-19-25/Cargo.toml → ...dvanced-features/listing-20-25/Cargo.toml
diff --git a/...vanced-features/listing-19-25/src/main.rs → ...vanced-features/listing-20-25/src/main.rs b/...vanced-features/listing-19-25/src/main.rs → ...vanced-features/listing-20-25/src/main.rs
diff --git a/...dvanced-features/listing-19-27/Cargo.lock → ...dvanced-features/listing-20-27/Cargo.lock b/...dvanced-features/listing-19-27/Cargo.lock → ...dvanced-features/listing-20-27/Cargo.lock
diff --git a/...dvanced-features/listing-19-27/Cargo.toml → ...dvanced-features/listing-20-27/Cargo.toml b/...dvanced-features/listing-19-27/Cargo.toml → ...dvanced-features/listing-20-27/Cargo.toml
diff --git a/...vanced-features/listing-19-27/src/main.rs → ...vanced-features/listing-20-27/src/main.rs b/...vanced-features/listing-19-27/src/main.rs → ...vanced-features/listing-20-27/src/main.rs
diff --git a/...dvanced-features/listing-19-28/Cargo.lock → ...dvanced-features/listing-20-28/Cargo.lock b/...dvanced-features/listing-19-28/Cargo.lock → ...dvanced-features/listing-20-28/Cargo.lock
diff --git a/...dvanced-features/listing-19-28/Cargo.toml → ...dvanced-features/listing-20-28/Cargo.toml b/...dvanced-features/listing-19-28/Cargo.toml → ...dvanced-features/listing-20-28/Cargo.toml
diff --git a/...dvanced-features/listing-19-28/src/lib.rs → ...dvanced-features/listing-20-28/src/lib.rs b/...dvanced-features/listing-19-28/src/lib.rs → ...dvanced-features/listing-20-28/src/lib.rs
diff --git a/...dvanced-features/listing-19-30/Cargo.lock → ...dvanced-features/listing-20-30/Cargo.lock b/...dvanced-features/listing-19-30/Cargo.lock → ...dvanced-features/listing-20-30/Cargo.lock
diff --git a/...dvanced-features/listing-19-30/Cargo.toml → ...dvanced-features/listing-20-30/Cargo.toml b/...dvanced-features/listing-19-30/Cargo.toml → ...dvanced-features/listing-20-30/Cargo.toml
diff --git a/...vanced-features/listing-19-30/src/main.rs → ...vanced-features/listing-20-30/src/main.rs b/...vanced-features/listing-19-30/src/main.rs → ...vanced-features/listing-20-30/src/main.rs
diff --git a/...ures/listing-19-31/hello_macro/Cargo.lock → ...ures/listing-20-31/hello_macro/Cargo.lock b/...ures/listing-19-31/hello_macro/Cargo.lock → ...ures/listing-20-31/hello_macro/Cargo.lock
diff --git a/...ures/listing-19-31/hello_macro/Cargo.toml → ...ures/listing-20-31/hello_macro/Cargo.toml b/...ures/listing-19-31/hello_macro/Cargo.toml → ...ures/listing-20-31/hello_macro/Cargo.toml
diff --git a/...hello_macro/hello_macro_derive/Cargo.lock → ...hello_macro/hello_macro_derive/Cargo.lock b/...hello_macro/hello_macro_derive/Cargo.lock → ...hello_macro/hello_macro_derive/Cargo.lock
diff --git a/...hello_macro/hello_macro_derive/Cargo.toml → ...hello_macro/hello_macro_derive/Cargo.toml b/...hello_macro/hello_macro_derive/Cargo.toml → ...hello_macro/hello_macro_derive/Cargo.toml
diff --git a/...hello_macro/hello_macro_derive/src/lib.rs → ...hello_macro/hello_macro_derive/src/lib.rs b/...hello_macro/hello_macro_derive/src/lib.rs → ...hello_macro/hello_macro_derive/src/lib.rs
diff --git a/...ures/listing-19-31/hello_macro/src/lib.rs → ...ures/listing-20-31/hello_macro/src/lib.rs b/...ures/listing-19-31/hello_macro/src/lib.rs → ...ures/listing-20-31/hello_macro/src/lib.rs
diff --git a/...res/listing-19-31/hello_macro/src/main.rs → ...res/listing-20-31/hello_macro/src/main.rs b/...res/listing-19-31/hello_macro/src/main.rs → ...res/listing-20-31/hello_macro/src/main.rs
diff --git a/...ures/listing-19-33/hello_macro/Cargo.lock → ...ures/listing-20-33/hello_macro/Cargo.lock b/...ures/listing-19-33/hello_macro/Cargo.lock → ...ures/listing-20-33/hello_macro/Cargo.lock
diff --git a/...ures/listing-19-33/hello_macro/Cargo.toml → ...ures/listing-20-33/hello_macro/Cargo.toml b/...ures/listing-19-33/hello_macro/Cargo.toml → ...ures/listing-20-33/hello_macro/Cargo.toml
diff --git a/...hello_macro/hello_macro_derive/Cargo.lock → ...hello_macro/hello_macro_derive/Cargo.lock b/...hello_macro/hello_macro_derive/Cargo.lock → ...hello_macro/hello_macro_derive/Cargo.lock
diff --git a/...hello_macro/hello_macro_derive/Cargo.toml → ...hello_macro/hello_macro_derive/Cargo.toml b/...hello_macro/hello_macro_derive/Cargo.toml → ...hello_macro/hello_macro_derive/Cargo.toml
diff --git a/...hello_macro/hello_macro_derive/src/lib.rs → ...hello_macro/hello_macro_derive/src/lib.rs b/...hello_macro/hello_macro_derive/src/lib.rs → ...hello_macro/hello_macro_derive/src/lib.rs
diff --git a/...ures/listing-19-33/hello_macro/src/lib.rs → ...ures/listing-20-33/hello_macro/src/lib.rs b/...ures/listing-19-33/hello_macro/src/lib.rs → ...ures/listing-20-33/hello_macro/src/lib.rs
diff --git a/...res/listing-19-33/hello_macro/src/main.rs → ...res/listing-20-33/hello_macro/src/main.rs b/...res/listing-19-33/hello_macro/src/main.rs → ...res/listing-20-33/hello_macro/src/main.rs
diff --git a/...atures/no-listing-01-unsafe-fn/Cargo.lock → ...atures/no-listing-01-unsafe-fn/Cargo.lock b/...atures/no-listing-01-unsafe-fn/Cargo.lock → ...atures/no-listing-01-unsafe-fn/Cargo.lock
diff --git a/...atures/no-listing-01-unsafe-fn/Cargo.toml → ...atures/no-listing-01-unsafe-fn/Cargo.toml b/...atures/no-listing-01-unsafe-fn/Cargo.toml → ...atures/no-listing-01-unsafe-fn/Cargo.toml
diff --git a/...tures/no-listing-01-unsafe-fn/src/main.rs → ...tures/no-listing-01-unsafe-fn/src/main.rs b/...tures/no-listing-01-unsafe-fn/src/main.rs → ...tures/no-listing-01-unsafe-fn/src/main.rs
diff --git a/...02-impl-outlineprint-for-point/Cargo.lock → ...02-impl-outlineprint-for-point/Cargo.lock b/...02-impl-outlineprint-for-point/Cargo.lock → ...02-impl-outlineprint-for-point/Cargo.lock
diff --git a/...02-impl-outlineprint-for-point/Cargo.toml → ...02-impl-outlineprint-for-point/Cargo.toml b/...02-impl-outlineprint-for-point/Cargo.toml → ...02-impl-outlineprint-for-point/Cargo.toml
diff --git a/...02-impl-outlineprint-for-point/output.txt → ...02-impl-outlineprint-for-point/output.txt b/...02-impl-outlineprint-for-point/output.txt → ...02-impl-outlineprint-for-point/output.txt
@@ -14,21 +14,5 @@ note: required by a bound in `OutlinePrint`
 3  | trait OutlinePrint: fmt::Display {
    |                     ^^^^^^^^^^^^ required by this bound in `OutlinePrint`
 
-error[E0277]: `Point` doesn't implement `std::fmt::Display`
-  --> src/main.rs:24:7
-   |
-24 |     p.outline_print();
-   |       ^^^^^^^^^^^^^ `Point` cannot be formatted with the default formatter
-   |
-   = help: the trait `std::fmt::Display` is not implemented for `Point`
-   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
-note: required by a bound in `OutlinePrint::outline_print`
-  --> src/main.rs:3:21
-   |
-3  | trait OutlinePrint: fmt::Display {
-   |                     ^^^^^^^^^^^^ required by this bound in `OutlinePrint::outline_print`
-4  |     fn outline_print(&self) {
-   |        ------------- required by a bound in this associated function
-
 For more information about this error, try `rustc --explain E0277`.
-error: could not compile `traits-example` (bin "traits-example") due to 2 previous errors
+error: could not compile `traits-example` (bin "traits-example") due to 1 previous error
diff --git a/...2-impl-outlineprint-for-point/src/main.rs → ...2-impl-outlineprint-for-point/src/main.rs b/...2-impl-outlineprint-for-point/src/main.rs → ...2-impl-outlineprint-for-point/src/main.rs
diff --git a/...ting-03-impl-display-for-point/Cargo.lock → ...ting-03-impl-display-for-point/Cargo.lock b/...ting-03-impl-display-for-point/Cargo.lock → ...ting-03-impl-display-for-point/Cargo.lock
diff --git a/...ting-03-impl-display-for-point/Cargo.toml → ...ting-03-impl-display-for-point/Cargo.toml b/...ting-03-impl-display-for-point/Cargo.toml → ...ting-03-impl-display-for-point/Cargo.toml
diff --git a/...ing-03-impl-display-for-point/src/main.rs → ...ing-03-impl-display-for-point/src/main.rs b/...ing-03-impl-display-for-point/src/main.rs → ...ing-03-impl-display-for-point/src/main.rs
diff --git a/...no-listing-04-kilometers-alias/Cargo.lock → ...no-listing-04-kilometers-alias/Cargo.lock b/...no-listing-04-kilometers-alias/Cargo.lock → ...no-listing-04-kilometers-alias/Cargo.lock
diff --git a/...no-listing-04-kilometers-alias/Cargo.toml → ...no-listing-04-kilometers-alias/Cargo.toml b/...no-listing-04-kilometers-alias/Cargo.toml → ...no-listing-04-kilometers-alias/Cargo.toml
diff --git a/...o-listing-04-kilometers-alias/src/main.rs → ...o-listing-04-kilometers-alias/src/main.rs b/...o-listing-04-kilometers-alias/src/main.rs → ...o-listing-04-kilometers-alias/src/main.rs