swc/crates/swc_ecma_parser/tests/tsc/specializedSignatureWithOptional.ts

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declare function f(x?: "hi"): void;
declare function f(x?: string): void;
feat(es): TypeScript 4.2 (#1330) swc_ecma_ast: - Add `is_abstract` to constructor types. swc_ecma_codegen: - Fix codegen of `Bool`. - Implement codegen for abstract constructors. swc_ecma_parser: - Inline tsc parser test suite. - Implement parsing of abstract constructor types. 2021-01-15 13:30:44 +03:00			`declare function f(x?: "hi"): void;`
			`declare function f(x?: string): void;`