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recover from missing type annotation

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hkalbasi 2022-04-01 17:20:54 +04:30
parent 244ee65bbe
commit 049f0a6d2c
2 changed files with 20 additions and 0 deletions
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6
crates/parser/src/grammar/types.rs
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@ -57,6 +57,12 @@ fn type_with_bounds_cond(p: &mut Parser, allow_bounds: bool) {
pub(super) fn ascription(p: &mut Parser) {
assert!(p.at(T![:]));
p.bump(T![:]);
if p.at(T![=]) {
// recover from `let x: = expr;`, `const X: = expr;` and similars
// hopefully no type starts with `=`
p.error("missing type");
return;
}
type_(p);
}