136 lines
2.8 KiB
Plaintext
136 lines
2.8 KiB
Plaintext
=== tests/cases/conformance/types/typeParameters/typeArgumentLists/typeParameterAsTypeParameterConstraintTransitively2.ts ===
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// using a type parameter as a constraint for a type parameter is invalid
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// these should be errors at the type parameter constraint declarations, and have no downstream errors
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interface A { foo: number }
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>A : A
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>foo : number
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interface B extends A { bar: string; }
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>B : B
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>A : A
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>bar : string
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interface C extends B { baz: boolean; }
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>C : C
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>B : B
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>baz : boolean
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var a: A;
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>a : A
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>A : A
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var b: B;
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>b : B
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>B : B
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var c: C;
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>c : C
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>C : C
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function foo<T, U, V>(x: T, y: U, z: V): V { return z; }
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>foo : <T, U, V>(x: T, y: U, z: V) => V
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>T : T
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>U : U
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>V : V
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>x : T
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>T : T
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>y : U
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>U : U
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>z : V
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>V : V
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>V : V
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>z : V
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//function foo<T, U extends T, V extends U>(x: T, y: U, z: V): V { return z; }
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foo(1, 2, '');
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>foo(1, 2, '') : string
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>foo : <T, U, V>(x: T, y: U, z: V) => V
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>1 : number
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>2 : number
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>'' : string
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foo({ x: 1 }, { x: 1, y: '' }, { x: 2, y: 2, z: true });
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>foo({ x: 1 }, { x: 1, y: '' }, { x: 2, y: 2, z: true }) : { x: number; y: number; z: boolean; }
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>foo : <T, U, V>(x: T, y: U, z: V) => V
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>{ x: 1 } : { x: number; }
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>x : number
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>1 : number
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>{ x: 1, y: '' } : { x: number; y: string; }
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>x : number
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>1 : number
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>y : string
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>'' : string
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>{ x: 2, y: 2, z: true } : { x: number; y: number; z: boolean; }
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>x : number
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>2 : number
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>y : number
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>2 : number
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>z : boolean
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>true : boolean
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foo(a, b, a);
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>foo(a, b, a) : A
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>foo : <T, U, V>(x: T, y: U, z: V) => V
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>a : A
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>b : B
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>a : A
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foo(a, { foo: 1, bar: '', hm: true }, b);
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>foo(a, { foo: 1, bar: '', hm: true }, b) : B
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>foo : <T, U, V>(x: T, y: U, z: V) => V
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>a : A
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>{ foo: 1, bar: '', hm: true } : { foo: number; bar: string; hm: boolean; }
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>foo : number
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>1 : number
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>bar : string
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>'' : string
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>hm : boolean
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>true : boolean
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>b : B
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foo((x: number, y: string) => { }, (x, y: boolean) => { }, () => { });
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>foo((x: number, y: string) => { }, (x, y: boolean) => { }, () => { }) : () => void
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>foo : <T, U, V>(x: T, y: U, z: V) => V
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>(x: number, y: string) => { } : (x: number, y: string) => void
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>x : number
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>y : string
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>(x, y: boolean) => { } : (x: any, y: boolean) => void
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>x : any
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>y : boolean
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>() => { } : () => void
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function foo2<T extends A, U extends A, V extends A>(x: T, y: U, z: V): V { return z; }
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>foo2 : <T extends A, U extends A, V extends A>(x: T, y: U, z: V) => V
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>T : T
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>A : A
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>U : U
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>A : A
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>V : V
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>A : A
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>x : T
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>T : T
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>y : U
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>U : U
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>z : V
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>V : V
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>V : V
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>z : V
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//function foo2<T extends A, U extends T, V extends U>(x: T, y: U, z: V): V { return z; }
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foo(b, a, c);
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>foo(b, a, c) : C
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>foo : <T, U, V>(x: T, y: U, z: V) => V
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>b : B
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>a : A
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>c : C
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foo(c, c, a);
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>foo(c, c, a) : A
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>foo : <T, U, V>(x: T, y: U, z: V) => V
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>c : C
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>c : C
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>a : A
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