Add SubdiagnosticMessageOp as a trait alias.

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

View file

@ -1,6 +1,6 @@
use rustc_errors::{
codes::*, AddToDiagnostic, DiagCtxt, DiagnosticBuilder, EmissionGuarantee, IntoDiagnostic,
Level, MultiSpan, SingleLabelManySpans,
codes::*, AddToDiagnostic, DiagCtxt, Diagnostic, DiagnosticBuilder, EmissionGuarantee,
IntoDiagnostic, Level, MultiSpan, SingleLabelManySpans, SubdiagnosticMessageOp,
};
use rustc_macros::{Diagnostic, Subdiagnostic};
use rustc_span::{symbol::Ident, Span, Symbol};
@ -611,13 +611,7 @@ pub(crate) struct FormatUnusedArg {
// Allow the singular form to be a subdiagnostic of the multiple-unused
// form of diagnostic.
impl AddToDiagnostic for FormatUnusedArg {
fn add_to_diagnostic_with<F>(self, diag: &mut rustc_errors::Diagnostic, f: F)
where
F: Fn(
&mut rustc_errors::Diagnostic,
rustc_errors::SubdiagnosticMessage,
) -> rustc_errors::SubdiagnosticMessage,
{
fn add_to_diagnostic_with<F: SubdiagnosticMessageOp>(self, diag: &mut Diagnostic, f: F) {
diag.arg("named", self.named);
let msg = f(diag, crate::fluent_generated::builtin_macros_format_unused_arg.into());
diag.span_label(self.span, msg);