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fix(lex): parse let f = (): RT<T>=>null; #1175

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merged 1 commit into from
Jan 21, 2024
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@vegerot vegerot commented Jan 8, 2024

fix(lex): parse let f = (): RT<T>=>null;

Test Plan:
let f = (): RT<T>=>null;

Fixes #1169

@vegerot vegerot force-pushed the pr1175 branch 3 times, most recently from 1e8190c to e076dd5 Compare January 8, 2024 00:17
src/quick-lint-js/fe/lex.cpp Show resolved Hide resolved
@@ -996,7 +996,12 @@ void Lexer::skip_less_less_as_less() {
void Lexer::skip_as_greater() {
switch (this->last_token_.type) {
case Token_Type::greater_equal:
this->last_token_.type = Token_Type::equal;
if (this->input_[0] == '>') {
this->last_token_.type = Token_Type::equal_greater;
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Must fix: The => token's .end is incorrect after this change. The following example demonstrates the bug:

class C<T> {
  f(): C<T>=> {
  }
}

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Fixed. What do you think?

test/test-parse-typescript-generic.cpp Outdated Show resolved Hide resolved
test/test-parse-typescript-generic.cpp Outdated Show resolved Hide resolved
test/test-parse-typescript-generic.cpp Outdated Show resolved Hide resolved
@vegerot vegerot force-pushed the pr1175 branch 2 times, most recently from 01a30d1 to c2072c2 Compare January 15, 2024 22:43
Test Plan:
`let f = (): RT<T>=>null;`

Fixes quick-lint#1169
@vegerot vegerot requested a review from strager January 15, 2024 22:45
@strager strager merged commit 4f0952b into quick-lint:master Jan 21, 2024
193 of 200 checks passed
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Successfully merging this pull request may close these issues.

incorrect parse of '(): RT<T>=> { throw ''; }'
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