9 lines
159 B
TypeScript
9 lines
159 B
TypeScript
type T = any extends number ? 1 : 0;
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let x: T;
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x = 1;
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x = 0; // not an error
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type U = [any] extends [number] ? 1 : 0;
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let y: U;
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y = 1;
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y = 0; // error
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