6 lines
190 B
TypeScript
6 lines
190 B
TypeScript
function f<T>(x: T, y: T): T {
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return x;
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}
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f({ x: [null] }, { x: [1] }).x[0] = "" // ok
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f({ x: [1] }, { x: [null] }).x[0] = "" // was error TS2011: Cannot convert 'string' to 'number'.
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