Rename LintLevelsBuilder::struct_lint as LintLevelsBuilder::opt_span_lint.

Author: nnethercote

compiler/rustc_lint/src/context.rs

@@ -700,7 +700,7 @@ impl LintContext for EarlyContext<'_> {
         msg: impl Into<DiagnosticMessage>,
         decorate: impl for<'a, 'b> FnOnce(&'b mut DiagnosticBuilder<'a, ()>),
     ) {
-        self.builder.struct_lint(lint, span.map(|s| s.into()), msg, decorate)
+        self.builder.opt_span_lint(lint, span.map(|s| s.into()), msg, decorate)
     }
 
     fn get_lint_level(&self, lint: &'static Lint) -> Level {

compiler/rustc_lint/src/levels.rs

@@ -1099,7 +1099,7 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> {
     /// [`struct_lint_level`]: rustc_middle::lint::struct_lint_level#decorate-signature
     #[rustc_lint_diagnostics]
     #[track_caller]
-    pub(crate) fn struct_lint(
+    pub(crate) fn opt_span_lint(
         &self,
         lint: &'static Lint,
         span: Option<MultiSpan>,

compiler/rustc_trait_selection/src/traits/specialize/mod.rs

@@ -387,7 +387,7 @@ fn report_conflicting_impls<'tcx>(
     let impl_span = tcx.def_span(impl_def_id);
 
     // Work to be done after we've built the DiagnosticBuilder. We have to define it
-    // now because the struct_lint methods don't return back the DiagnosticBuilder
+    // now because the lint emit methods don't return back the DiagnosticBuilder
     // that's passed in.
     fn decorate<'tcx>(
         tcx: TyCtxt<'tcx>,