51 lines
969 B
Plaintext
51 lines
969 B
Plaintext
=== tests/cases/compiler/baseIndexSignatureResolution.ts ===
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class Base { private a: string; }
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>Base : Base
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>a : string
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class Derived extends Base { private b: string; }
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>Derived : Derived
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>Base : Base
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>b : string
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// Note - commmenting "extends Foo" prevents the error
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interface Foo {
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>Foo : Foo
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[i: number]: Base;
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>i : number
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>Base : Base
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}
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interface FooOf<TBase extends Base> extends Foo {
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>FooOf : FooOf<TBase>
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>TBase : TBase
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>Base : Base
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>Foo : Foo
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[i: number]: TBase;
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>i : number
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>TBase : TBase
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}
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var x: FooOf<Derived> = null;
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>x : FooOf<Derived>
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>FooOf : FooOf<TBase>
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>Derived : Derived
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var y: Derived = x[0];
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>y : Derived
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>Derived : Derived
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>x[0] : Derived
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>x : FooOf<Derived>
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/*
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// Note - the equivalent for normal interface methods works fine:
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interface A {
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foo(): Base;
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}
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interface B<TBase extends Base> extends A {
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foo(): TBase;
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}
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var b: B<Derived> = null;
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var z: Derived = b.foo();
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*/
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