compiler/rustc_const_eval/src/errors.rs

   1 use rustc_macros::SessionDiagnostic;
   2 use rustc_span::Span;
   3
   4 #[derive(SessionDiagnostic)]
   5 #[error(const_eval::unstable_in_stable)]
   6 pub(crate) struct UnstableInStable {
   7     pub gate: String,
   8     #[primary_span]
   9     pub span: Span,
  10     #[suggestion(
  11         const_eval::unstable_sugg,
  12         code = "#[rustc_const_unstable(feature = \"...\", issue = \"...\")]\n",
  13         applicability = "has-placeholders"
  14     )]
  15     #[suggestion(
  16         const_eval::bypass_sugg,
  17         code = "#[rustc_allow_const_fn_unstable({gate})]\n",
  18         applicability = "has-placeholders"
  19     )]
  20     pub attr_span: Span,
  21 }