12 lines
186 B
TypeScript
12 lines
186 B
TypeScript
class A<T extends { length: number }> {
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x: T;
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}
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class B<U> extends A<string> {
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y: U;
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}
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var x: A<{ length: number; foo: number }>;
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var y: B<number>;
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x = y; // error
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