Document report_redundant_format_arguments()

francorbacho · francorbacho · commit 13c249fea042 · 2023-10-04T17:38:46.000+02:00
diff --git a/compiler/rustc_builtin_macros/src/format.rs b/compiler/rustc_builtin_macros/src/format.rs
@@ -699,6 +699,8 @@ fn report_missing_placeholders(
     diag.emit();
 }
 
+// This function detects and reports unused format!() arguments that are
+// redundant due to implicit captures (e.g. `format!("{x}", x)`).
 fn report_redundant_format_arguments(
     ecx: &mut ExtCtxt<'_>,
     fmt_span: Span,

Original file line number	Diff line number	Diff line change
`@@ -699,6 +699,8 @@ fn report_missing_placeholders(`
`699`	`699`	`diag.emit();`
`700`	`700`	`}`
`701`	`701`
	`702`	`+// This function detects and reports unused format!() arguments that are`
	`703`	+// redundant due to implicit captures (e.g. `format!("{x}", x)`).
`702`	`704`	`fn report_redundant_format_arguments(`
`703`	`705`	`ecx: &mut ExtCtxt<'_>,`
`704`	`706`	`fmt_span: Span,`