Use assert_crate_local for a more explicit error

`assert_crate_local` does the same as the previous `if let` but with a more explicit error message if it's not a `ClearCrossCrate::Set`.
rust-lang · Dec 2, 2019 · 474e9a1 · 474e9a1
1 parent 6669c2c
commit 474e9a1
Showing 1 changed file with 5 additions and 5 deletions.
diff --git a/clippy_lints/src/redundant_clone.rs b/clippy_lints/src/redundant_clone.rs
@@ -209,11 +209,11 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for RedundantClone {
             if !used_later {
                 let span = terminator.source_info.span;
                 let scope = terminator.source_info.scope;
-                let node = if let mir::ClearCrossCrate::Set(scope_local_data) = &mir.source_scopes[scope].local_data {
-                    scope_local_data.lint_root
-                } else {
-                    unreachable!()
-                };
+                let node = mir.source_scopes[scope]
+                    .local_data
+                    .as_ref()
+                    .assert_crate_local()
+                    .lint_root;
 
                 if_chain! {
                     if let Some(snip) = snippet_opt(cx, span);