swc/crates/swc_ecma_parser/tests/tsc/wideningTuples1.ts

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//@noImplicitAny: true
declare function foo<T extends [any]>(x: T): T;

var y = foo([undefined]);
y = [""];
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			`//@noImplicitAny: true`
			`declare function foo<T extends [any]>(x: T): T;`

			`var y = foo([undefined]);`
			`y = [""];`