bjoernager/rust
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Suggest => --> >= in conditions

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sjwang05 2023-10-27 15:14:55 -07:00
parent ed086d86b8
commit 97cf1c87bd
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6 changed files with 230 additions and 0 deletions
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10
compiler/rustc_parse/src/parser/expr.rs
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@ -2432,6 +2432,7 @@ impl<'a> Parser<'a> {
}
} else {
let attrs = self.parse_outer_attributes()?; // For recovery.
let maybe_fatarrow = self.token.clone();
let block = if self.check(&token::OpenDelim(Delimiter::Brace)) {
self.parse_block()?
} else {
@ -2456,6 +2457,15 @@ impl<'a> Parser<'a> {
"you likely meant to continue parsing the let-chain starting here",
);
} else {
// Look for usages of '=>' where '>=' might be intended
if maybe_fatarrow.kind == token::FatArrow {
err.span_suggestion(
maybe_fatarrow.span,
"you might have meant to write a \"greater than or equal to\" comparison",
">=",
Applicability::MaybeIncorrect,
);
}
err.span_note(
cond_span,
"the `if` expression is missing a block after this condition",