50 lines
1.9 KiB
Plaintext
50 lines
1.9 KiB
Plaintext
=== tests/cases/compiler/baseIndexSignatureResolution.ts ===
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class Base { private a: string; }
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>Base : Symbol(Base, Decl(baseIndexSignatureResolution.ts, 0, 0))
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>a : Symbol(a, Decl(baseIndexSignatureResolution.ts, 0, 12))
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class Derived extends Base { private b: string; }
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>Derived : Symbol(Derived, Decl(baseIndexSignatureResolution.ts, 0, 33))
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>Base : Symbol(Base, Decl(baseIndexSignatureResolution.ts, 0, 0))
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>b : Symbol(b, Decl(baseIndexSignatureResolution.ts, 1, 28))
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// Note - commmenting "extends Foo" prevents the error
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interface Foo {
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>Foo : Symbol(Foo, Decl(baseIndexSignatureResolution.ts, 1, 49))
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[i: number]: Base;
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>i : Symbol(i, Decl(baseIndexSignatureResolution.ts, 5, 5))
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>Base : Symbol(Base, Decl(baseIndexSignatureResolution.ts, 0, 0))
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}
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interface FooOf<TBase extends Base> extends Foo {
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>FooOf : Symbol(FooOf, Decl(baseIndexSignatureResolution.ts, 6, 1))
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>TBase : Symbol(TBase, Decl(baseIndexSignatureResolution.ts, 7, 16))
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>Base : Symbol(Base, Decl(baseIndexSignatureResolution.ts, 0, 0))
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>Foo : Symbol(Foo, Decl(baseIndexSignatureResolution.ts, 1, 49))
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[i: number]: TBase;
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>i : Symbol(i, Decl(baseIndexSignatureResolution.ts, 8, 5))
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>TBase : Symbol(TBase, Decl(baseIndexSignatureResolution.ts, 7, 16))
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}
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var x: FooOf<Derived> = null;
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>x : Symbol(x, Decl(baseIndexSignatureResolution.ts, 10, 3))
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>FooOf : Symbol(FooOf, Decl(baseIndexSignatureResolution.ts, 6, 1))
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>Derived : Symbol(Derived, Decl(baseIndexSignatureResolution.ts, 0, 33))
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var y: Derived = x[0];
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>y : Symbol(y, Decl(baseIndexSignatureResolution.ts, 11, 3))
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>Derived : Symbol(Derived, Decl(baseIndexSignatureResolution.ts, 0, 33))
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>x : Symbol(x, Decl(baseIndexSignatureResolution.ts, 10, 3))
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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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