24 lines
638 B
Plaintext
24 lines
638 B
Plaintext
tests/cases/compiler/constraints0.ts(14,9): error TS2344: Type 'B' does not satisfy the constraint 'A'.
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Property 'a' is missing in type 'B'.
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==== tests/cases/compiler/constraints0.ts (1 errors) ====
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interface A {
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a: number;
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}
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interface B {
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b: string;
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}
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interface C<T extends A> {
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x: T;
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}
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var v1: C<A>; // should work
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var v2: C<B>; // should not work
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~~~~
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!!! error TS2344: Type 'B' does not satisfy the constraint 'A'.
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!!! error TS2344: Property 'a' is missing in type 'B'.
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var y = v1.x.a; // 'a' should be of type 'number' |