bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

expand: fix minor diagnostics bug

Browse source 
The error mentions `///`, when it's actually `//!`:

error[E0658]: attributes on expressions are experimental
 --> test.rs:4:9
  |
4 |         //! wah
  |         ^^^^^^^
  |
  = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
  = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable
  = help: `///` is for documentation comments. For a plain comment, use `//`.
This commit is contained in:
Xiretza 2024-04-09 20:45:53 +00:00
parent c649c6c2f8
commit bfacfe2510
3 changed files with 8 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

6
compiler/rustc_expand/src/config.rs
View file

@ -387,7 +387,11 @@ impl<'a> StripUnconfigured<'a> {
);
if attr.is_doc_comment() {
err.help("`///` is for documentation comments. For a plain comment, use `//`.");
err.help(if attr.style == AttrStyle::Outer {
"`///` is used for outer documentation comments; for a plain comment, use `//`"
} else {
"`//!` is used for inner documentation comments; for a plain comment, use `//` by removing the `!` or inserting a space in between them: `// !`"
});
}
err.emit();