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Rollup merge of #120734 - nnethercote:SubdiagnosticMessageOp, r=compiler-errors

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Add `SubdiagnosticMessageOp` as a trait alias.

It avoids a lot of repetition.

r? matthewjasper
This commit is contained in:
Matthias Krüger 2024-02-08 09:06:36 +01:00 • committed by GitHub
commit 87e1e05aa1
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19 changed files with 68 additions and 181 deletions
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3
compiler/rustc_passes/src/errors.rs
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@ -8,6 +8,7 @@ use rustc_ast::Label;
use rustc_errors::{
codes::*, AddToDiagnostic, Applicability, DiagCtxt, Diagnostic, DiagnosticBuilder,
DiagnosticSymbolList, EmissionGuarantee, IntoDiagnostic, Level, MultiSpan,
SubdiagnosticMessageOp,
};
use rustc_hir::{self as hir, ExprKind, Target};
use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic};
@ -1753,7 +1754,7 @@ pub struct UnusedVariableStringInterp {
}
impl AddToDiagnostic for UnusedVariableStringInterp {
fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F) {
fn add_to_diagnostic_with<F: SubdiagnosticMessageOp>(self, diag: &mut Diagnostic, _: F) {
diag.span_label(self.lit, crate::fluent_generated::passes_maybe_string_interpolation);
diag.multipart_suggestion(
crate::fluent_generated::passes_string_interpolation_only_works,