9 lines
248 B
Plaintext
9 lines
248 B
Plaintext
==== tests/cases/compiler/extendGenericArray.ts (1 errors) ====
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interface Array<T> {
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foo(): T;
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}
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var arr: string[] = [];
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var x: number = arr.foo();
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~
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!!! Type 'string' is not assignable to type 'number'. |