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-rw-r--r--library/stdarch/crates/assert-instr-macro/src/lib.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/library/stdarch/crates/assert-instr-macro/src/lib.rs b/library/stdarch/crates/assert-instr-macro/src/lib.rs
index 4525398b759..ba33dcfda92 100644
--- a/library/stdarch/crates/assert-instr-macro/src/lib.rs
+++ b/library/stdarch/crates/assert-instr-macro/src/lib.rs
@@ -47,7 +47,7 @@ pub fn assert_instr(
         .replace('.', "_")
         .replace('/', "_")
         .replace(':', "_")
-        .replace(|c: char| c.is_whitespace(), "");
+        .replace(char::is_whitespace, "");
     let assert_name = syn::Ident::new(&format!("assert_{}_{}", name, instr_str), name.span());
     let shim_name = syn::Ident::new(&format!("{}_shim_{}", name, instr_str), name.span());
     let mut inputs = Vec::new();