add a new macro: eprint_msg

rust-util-collections · Mar 13, 2024 · d637db3 · d637db3
1 parent c9d4d8e
commit d637db3
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Showing 2 changed files with 13 additions and 1 deletion.
diff --git a/Cargo.toml b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ruc"
-version = "5.1.2"
+version = "5.1.3"
 authors = ["hui.fan@mail.ru"]
 edition = "2021"
 description = "Rust Util Collections"

diff --git a/src/err/macros.rs b/src/err/macros.rs
@@ -71,6 +71,17 @@ macro_rules! print_msg {
     }};
 }
 
+/// eprint custom msg
+#[macro_export]
+macro_rules! eprint_msg {
+    ($fmt: expr, $($arg:tt)*) => {{
+        println!("\n{}", $crate::d!($fmt, $($arg)*));
+    }};
+    ($msg: expr) => {{
+        $crate::eprint_msg!("{}", $msg)
+    }};
+}
+
 /// Just a panic
 #[macro_export]
 macro_rules! die {
@@ -152,5 +163,6 @@ mod tests {
         omit!(Err::<u8, _>(eg!()));
         info_omit!(Err::<u8, _>(eg!()));
         print_msg!("{:?}", ts!());
+        eprint_msg!("{:?}", ts!());
     }
 }