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=== tests/cases/compiler/chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts ===
class Chain<T extends A> {
>Chain : Symbol(Chain, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 0, 0))
>T : Symbol(T, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 0, 12))
>A : Symbol(A, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 5, 1))
constructor(public value: T) { }
>value : Symbol(Chain.value, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 1, 16))
>T : Symbol(T, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 0, 12))
then<S extends T>(cb: (x: T) => S): Chain<S> {
>then : Symbol(Chain.then, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 1, 36))
>S : Symbol(S, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 2, 9))
>T : Symbol(T, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 0, 12))
>cb : Symbol(cb, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 2, 22))
>x : Symbol(x, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 2, 27))
>T : Symbol(T, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 0, 12))
>S : Symbol(S, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 2, 9))
>Chain : Symbol(Chain, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 0, 0))
>S : Symbol(S, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 2, 9))
return null;
}
}
class A {
>A : Symbol(A, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 5, 1))
x;
>x : Symbol(A.x, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 7, 9))
}
class B extends A {
>B : Symbol(B, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 9, 1))
>A : Symbol(A, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 5, 1))
y;
>y : Symbol(B.y, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 10, 19))
}
class C extends B {
>C : Symbol(C, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 12, 1))
>B : Symbol(B, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 9, 1))
z;
>z : Symbol(C.z, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 13, 19))
}
// Ok to go down the chain, but error to try to climb back up
(new Chain(new A)).then(a => new B).then(b => new C).then(c => new B).then(b => new A);
>(new Chain(new A)).then(a => new B).then(b => new C).then : Symbol(Chain.then, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 1, 36))
>(new Chain(new A)).then(a => new B).then : Symbol(Chain.then, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 1, 36))
>(new Chain(new A)).then : Symbol(Chain.then, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 1, 36))
>Chain : Symbol(Chain, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 0, 0))
>A : Symbol(A, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 5, 1))
>then : Symbol(Chain.then, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 1, 36))
>a : Symbol(a, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 18, 24))
>B : Symbol(B, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 9, 1))
>then : Symbol(Chain.then, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 1, 36))
>b : Symbol(b, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 18, 41))
>C : Symbol(C, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 12, 1))
>then : Symbol(Chain.then, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 1, 36))
>c : Symbol(c, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 18, 58))
>B : Symbol(B, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 9, 1))
>b : Symbol(b, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 18, 75))
>A : Symbol(A, Decl(chainedCallsWithTypeParameterConstrainedToOtherTypeParameter.ts, 5, 1))
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