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Structured suggestion for missing mut/const in pointer

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This commit is contained in:
Michael Goulet 2022-09-25 22:03:39 +00:00
parent f3fafbb006
commit 594134d873
5 changed files with 38 additions and 8 deletions
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11
compiler/rustc_parse/src/parser/ty.rs
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@ -397,10 +397,13 @@ impl<'a> Parser<'a> {
fn parse_ty_ptr(&mut self) -> PResult<'a, TyKind> {
let mutbl = self.parse_const_or_mut().unwrap_or_else(|| {
let span = self.prev_token.span;
let msg = "expected mut or const in raw pointer type";
self.struct_span_err(span, msg)
.span_label(span, msg)
.help("use `*mut T` or `*const T` as appropriate")
self.struct_span_err(span, "expected `mut` or `const` keyword in raw pointer type")
.span_suggestions(
span.shrink_to_hi(),
"add `mut` or `const` here",
["mut ".to_string(), "const ".to_string()].into_iter(),
Applicability::HasPlaceholders,
)
.emit();
Mutability::Not
});