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=== tests/cases/conformance/types/objectTypeLiteral/callSignatures/typeParameterUsedAsTypeParameterConstraint4.ts ===
// Type parameters are in scope in their own and other type parameter lists
// Some negative cases
class C<T, U extends T, V extends U> {
>C : C<T, U, V>
z: W; // error
>z : W
foo<W extends V>(x: W): T {
>foo : <W extends V>(x: W) => T
>x : W
var r: T;
>r : T
return x;
>x : W
}
}
interface I<T, U extends T, V extends U> {
x: T;
>x : T
y: U;
>y : U
z: W; // error
>z : W
foo<W extends V>(x: W): T;
>foo : <W extends V>(x: W) => T
>x : W
}
function foo<T, U extends T>(x: T, y: U): V { // error
>foo : <T, U extends T>(x: T, y: U) => V
>x : T
>y : U
function bar<V extends T, W extends U>(): X { // error
>bar : <V extends T, W extends U>() => X
function baz<X extends W, Y extends V>(a: X, b: Y): T {
>baz : <X extends W, Y extends V>(a: X, b: Y) => T
>a : X
>b : Y
x = y;
>x = y : U
>x : T
>y : U
return y;
>y : U
}
}
}
function foo2<U extends T, T>(x: T, y: U): W { // error
>foo2 : <U extends T, T>(x: T, y: U) => W
>x : T
>y : U
function bar<V extends T, W extends U>(): Y { // error
>bar : <V extends T, W extends U>() => Y
function baz<X extends W, Y extends V>(a: X, b: Y): T {
>baz : <X extends W, Y extends V>(a: X, b: Y) => T
>a : X
>b : Y
x = y;
>x = y : U
>x : T
>y : U
return y;
>y : U
}
}
}
var f3 = <T, U extends T>(x: T, y: U) => {
>f3 : <T, U extends T>(x: T, y: U) => void
><T, U extends T>(x: T, y: U) => { function bar<V extends T, W extends U>(r: X, s: Y) { // error var g = <X extends W, Y extends V>(a: X, b: Y): T => { x = y; return y; } }} : <T, U extends T>(x: T, y: U) => void
>x : T
>y : U
function bar<V extends T, W extends U>(r: X, s: Y) { // error
>bar : <V extends T, W extends U>(r: X, s: Y) => void
>r : X
>s : Y
var g = <X extends W, Y extends V>(a: X, b: Y): T => {
>g : <X extends W, Y extends V>(a: X, b: Y) => T
><X extends W, Y extends V>(a: X, b: Y): T => { x = y; return y; } : <X extends W, Y extends V>(a: X, b: Y) => T
>a : X
>b : Y
x = y;
>x = y : U
>x : T
>y : U
return y;
>y : U
}
}
}
var f4 = <U extends T, T>(x: V, y: X) => { // error
>f4 : <U extends T, T>(x: V, y: X) => void
><U extends T, T>(x: V, y: X) => { // error function bar<V extends T, W extends U>() { var g = <X extends W, Y extends V>(a: X, b: Y): T => { x = y; return y; } }} : <U extends T, T>(x: V, y: X) => void
>x : V
>y : X
function bar<V extends T, W extends U>() {
>bar : <V extends T, W extends U>() => void
var g = <X extends W, Y extends V>(a: X, b: Y): T => {
>g : <X extends W, Y extends V>(a: X, b: Y) => T
><X extends W, Y extends V>(a: X, b: Y): T => { x = y; return y; } : <X extends W, Y extends V>(a: X, b: Y) => T
>a : X
>b : Y
x = y;
>x = y : X
>x : V
>y : X
return y;
>y : X
}
}
}
|
