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20 lines
443 B
TypeScript
20 lines
443 B
TypeScript
// @target: esnext
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// @useDefineForClassFields: false
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interface Mup<K, V> {
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readonly size: number;
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}
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interface MupConstructor {
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new(): Mup<any, any>;
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new<K, V>(entries?: readonly (readonly [K, V])[] | null): Mup<K, V>;
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readonly prototype: Mup<any, any>;
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}
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declare var Mup: MupConstructor;
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class Sizz extends Mup {
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// ok, because Mup is an interface
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get size() { return 0 }
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}
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class Kasizz extends Mup {
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size = -1
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}
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