34 lines
856 B
TypeScript
34 lines
856 B
TypeScript
// @strict: true
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type Same<T> = { [P in keyof T]: T[P] };
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type T1<T extends Record<PropertyKey, number>> = T;
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type T2<U extends Record<PropertyKey, number>> = T1<Same<U>>;
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// Repro from #38235
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type Foo<IdentifierT extends Record<PropertyKey, PropertyKey>> =
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IdentifierT
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;
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type Bar<IdentifierT extends Record<PropertyKey, PropertyKey>, T> =
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{
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[k in keyof T] : Foo<IdentifierT & { k : k }>
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}
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;
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type Merge2<T> = { [k in keyof T] : T[k] }
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type Bar2<IdentifierT extends Record<PropertyKey, PropertyKey>, T> =
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{
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[k in keyof T]: Foo<Merge2<IdentifierT & { k: k }>>
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}
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;
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type Identity<T> = T;
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type Merge3<T> = Identity<{ [k in keyof T] : T[k] }>
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type Bar3<IdentifierT extends Record<PropertyKey, PropertyKey>, T> =
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{
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[k in keyof T]: Foo<Merge3<IdentifierT & { k: k }>>
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}
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;
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