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Add SubdiagnosticMessageOp as a trait alias.

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It avoids a lot of repetition.
This commit is contained in:
Nicholas Nethercote 2024-02-06 16:35:19 +11:00
parent 0d531351e8
commit 6b175a848d
19 changed files with 68 additions and 181 deletions
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7
compiler/rustc_pattern_analysis/src/errors.rs
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@ -1,4 +1,4 @@
use rustc_errors::{AddToDiagnostic, Diagnostic, SubdiagnosticMessage};
use rustc_errors::{AddToDiagnostic, Diagnostic, SubdiagnosticMessageOp};
use rustc_macros::{LintDiagnostic, Subdiagnostic};
use rustc_middle::thir::Pat;
use rustc_middle::ty::Ty;
@ -59,10 +59,7 @@ pub struct Overlap<'tcx> {
}
impl<'tcx> AddToDiagnostic for Overlap<'tcx> {
fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F)
where
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
fn add_to_diagnostic_with<F: SubdiagnosticMessageOp>(self, diag: &mut Diagnostic, _: F) {
let Overlap { span, range } = self;
// FIXME(mejrs) unfortunately `#[derive(LintDiagnostic)]`