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authorMichael Goulet <michael@errs.io>2024-03-14 13:08:36 -0400
committerMichael Goulet <michael@errs.io>2024-03-14 13:13:08 -0400
commit6e4cd8b7ccf12d6e4e97a44bbe4fd0093d12ca3d (patch)
treec6c1a02aae498eda96fde9d3ad5f5e50211a9efd /compiler/rustc_errors/src
parentfe6157522848604562f83084154274c545fe3a27 (diff)
downloadrust-6e4cd8b7ccf12d6e4e97a44bbe4fd0093d12ca3d.tar.gz
rust-6e4cd8b7ccf12d6e4e97a44bbe4fd0093d12ca3d.zip
Make `SubdiagMessageOp` well-formed
Diffstat (limited to 'compiler/rustc_errors/src')
-rw-r--r--compiler/rustc_errors/src/diagnostic.rs3
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/rustc_errors/src/diagnostic.rs b/compiler/rustc_errors/src/diagnostic.rs
index 0c3e7fb75b0..5d345e788e9 100644
--- a/compiler/rustc_errors/src/diagnostic.rs
+++ b/compiler/rustc_errors/src/diagnostic.rs
@@ -189,7 +189,8 @@ where
     );
 }
 
-pub trait SubdiagMessageOp<G> = Fn(&mut Diag<'_, G>, SubdiagMessage) -> SubdiagMessage;
+pub trait SubdiagMessageOp<G: EmissionGuarantee> =
+    Fn(&mut Diag<'_, G>, SubdiagMessage) -> SubdiagMessage;
 
 /// Trait implemented by lint types. This should not be implemented manually. Instead, use
 /// `#[derive(LintDiagnostic)]` -- see [rustc_macros::LintDiagnostic].