TypeScript/tests/baselines/reference/callSignatureAssignabilityInInheritance4.types

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=== tests/cases/conformance/types/typeRelationships/assignmentCompatibility/callSignatureAssignabilityInInheritance4.ts ===
// checking subtype relations for function types as it relates to contextual signature instantiation
class Base { foo: string; }
>Base : Base, Symbol(Base,Decl(callSignatureAssignabilityInInheritance4.ts,0,0))
>foo : string, Symbol(foo,Decl(callSignatureAssignabilityInInheritance4.ts,2,12))
class Derived extends Base { bar: string; }
>Derived : Derived, Symbol(Derived,Decl(callSignatureAssignabilityInInheritance4.ts,2,27))
>Base : Base, Symbol(Base,Decl(callSignatureAssignabilityInInheritance4.ts,0,0))
>bar : string, Symbol(bar,Decl(callSignatureAssignabilityInInheritance4.ts,3,28))
class Derived2 extends Derived { baz: string; }
>Derived2 : Derived2, Symbol(Derived2,Decl(callSignatureAssignabilityInInheritance4.ts,3,43))
>Derived : Derived, Symbol(Derived,Decl(callSignatureAssignabilityInInheritance4.ts,2,27))
>baz : string, Symbol(baz,Decl(callSignatureAssignabilityInInheritance4.ts,4,32))
class OtherDerived extends Base { bing: string; }
>OtherDerived : OtherDerived, Symbol(OtherDerived,Decl(callSignatureAssignabilityInInheritance4.ts,4,47))
>Base : Base, Symbol(Base,Decl(callSignatureAssignabilityInInheritance4.ts,0,0))
>bing : string, Symbol(bing,Decl(callSignatureAssignabilityInInheritance4.ts,5,33))
interface A { // T
>A : A, Symbol(A,Decl(callSignatureAssignabilityInInheritance4.ts,5,49))
// M's
a: <T>(x: T) => T[];
>a : <T>(x: T) => T[], Symbol(a,Decl(callSignatureAssignabilityInInheritance4.ts,7,13))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,9,8))
>x : T, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,9,11))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,9,8))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,9,8))
a2: <T>(x: T) => string[];
>a2 : <T>(x: T) => string[], Symbol(a2,Decl(callSignatureAssignabilityInInheritance4.ts,9,24))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,10,9))
>x : T, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,10,12))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,10,9))
a3: <T>(x: T) => void;
>a3 : <T>(x: T) => void, Symbol(a3,Decl(callSignatureAssignabilityInInheritance4.ts,10,30))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,11,9))
>x : T, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,11,12))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,11,9))
a4: <T,U>(x: T, y: U) => string;
>a4 : <T, U>(x: T, y: U) => string, Symbol(a4,Decl(callSignatureAssignabilityInInheritance4.ts,11,26))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,12,9))
>U : U, Symbol(U,Decl(callSignatureAssignabilityInInheritance4.ts,12,11))
>x : T, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,12,14))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,12,9))
>y : U, Symbol(y,Decl(callSignatureAssignabilityInInheritance4.ts,12,19))
>U : U, Symbol(U,Decl(callSignatureAssignabilityInInheritance4.ts,12,11))
a5: <T,U>(x: (arg: T) => U) => T;
>a5 : <T, U>(x: (arg: T) => U) => T, Symbol(a5,Decl(callSignatureAssignabilityInInheritance4.ts,12,36))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,13,9))
>U : U, Symbol(U,Decl(callSignatureAssignabilityInInheritance4.ts,13,11))
>x : (arg: T) => U, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,13,14))
>arg : T, Symbol(arg,Decl(callSignatureAssignabilityInInheritance4.ts,13,18))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,13,9))
>U : U, Symbol(U,Decl(callSignatureAssignabilityInInheritance4.ts,13,11))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,13,9))
a6: <T extends Base>(x: (arg: T) => Derived) => T;
>a6 : <T extends Base>(x: (arg: T) => Derived) => T, Symbol(a6,Decl(callSignatureAssignabilityInInheritance4.ts,13,37))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,14,9))
>Base : Base, Symbol(Base,Decl(callSignatureAssignabilityInInheritance4.ts,0,0))
>x : (arg: T) => Derived, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,14,25))
>arg : T, Symbol(arg,Decl(callSignatureAssignabilityInInheritance4.ts,14,29))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,14,9))
>Derived : Derived, Symbol(Derived,Decl(callSignatureAssignabilityInInheritance4.ts,2,27))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,14,9))
a11: <T>(x: { foo: T }, y: { foo: T; bar: T }) => Base;
>a11 : <T>(x: { foo: T; }, y: { foo: T; bar: T; }) => Base, Symbol(a11,Decl(callSignatureAssignabilityInInheritance4.ts,14,54))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,15,10))
>x : { foo: T; }, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,15,13))
>foo : T, Symbol(foo,Decl(callSignatureAssignabilityInInheritance4.ts,15,17))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,15,10))
>y : { foo: T; bar: T; }, Symbol(y,Decl(callSignatureAssignabilityInInheritance4.ts,15,27))
>foo : T, Symbol(foo,Decl(callSignatureAssignabilityInInheritance4.ts,15,32))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,15,10))
>bar : T, Symbol(bar,Decl(callSignatureAssignabilityInInheritance4.ts,15,40))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,15,10))
>Base : Base, Symbol(Base,Decl(callSignatureAssignabilityInInheritance4.ts,0,0))
a15: <T>(x: { a: T; b: T }) => T[];
>a15 : <T>(x: { a: T; b: T; }) => T[], Symbol(a15,Decl(callSignatureAssignabilityInInheritance4.ts,15,59))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,16,10))
>x : { a: T; b: T; }, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,16,13))
>a : T, Symbol(a,Decl(callSignatureAssignabilityInInheritance4.ts,16,17))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,16,10))
>b : T, Symbol(b,Decl(callSignatureAssignabilityInInheritance4.ts,16,23))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,16,10))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,16,10))
a16: <T extends Base>(x: { a: T; b: T }) => T[];
>a16 : <T extends Base>(x: { a: T; b: T; }) => T[], Symbol(a16,Decl(callSignatureAssignabilityInInheritance4.ts,16,39))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,17,10))
>Base : Base, Symbol(Base,Decl(callSignatureAssignabilityInInheritance4.ts,0,0))
>x : { a: T; b: T; }, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,17,26))
>a : T, Symbol(a,Decl(callSignatureAssignabilityInInheritance4.ts,17,30))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,17,10))
>b : T, Symbol(b,Decl(callSignatureAssignabilityInInheritance4.ts,17,36))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,17,10))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,17,10))
a17: {
>a17 : { <T extends Derived>(x: (a: T) => T): T[]; <T extends Base>(x: (a: T) => T): T[]; }, Symbol(a17,Decl(callSignatureAssignabilityInInheritance4.ts,17,52))
<T extends Derived>(x: (a: T) => T): T[];
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,19,9))
>Derived : Derived, Symbol(Derived,Decl(callSignatureAssignabilityInInheritance4.ts,2,27))
>x : (a: T) => T, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,19,28))
>a : T, Symbol(a,Decl(callSignatureAssignabilityInInheritance4.ts,19,32))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,19,9))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,19,9))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,19,9))
<T extends Base>(x: (a: T) => T): T[];
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,20,9))
>Base : Base, Symbol(Base,Decl(callSignatureAssignabilityInInheritance4.ts,0,0))
>x : (a: T) => T, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,20,25))
>a : T, Symbol(a,Decl(callSignatureAssignabilityInInheritance4.ts,20,29))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,20,9))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,20,9))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,20,9))
};
a18: {
>a18 : { (x: { <T extends Derived>(a: T): T; <T extends Base>(a: T): T; }): any[]; (x: { <T extends Derived2>(a: T): T; <T extends Base>(a: T): T; }): any[]; }, Symbol(a18,Decl(callSignatureAssignabilityInInheritance4.ts,21,6))
(x: {
>x : { <T extends Derived>(a: T): T; <T extends Base>(a: T): T; }, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,23,9))
<T extends Derived>(a: T): T;
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,24,13))
>Derived : Derived, Symbol(Derived,Decl(callSignatureAssignabilityInInheritance4.ts,2,27))
>a : T, Symbol(a,Decl(callSignatureAssignabilityInInheritance4.ts,24,32))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,24,13))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,24,13))
<T extends Base>(a: T): T;
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,25,13))
>Base : Base, Symbol(Base,Decl(callSignatureAssignabilityInInheritance4.ts,0,0))
>a : T, Symbol(a,Decl(callSignatureAssignabilityInInheritance4.ts,25,29))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,25,13))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,25,13))
}): any[];
(x: {
>x : { <T extends Derived2>(a: T): T; <T extends Base>(a: T): T; }, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,27,9))
<T extends Derived2>(a: T): T;
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,28,13))
>Derived2 : Derived2, Symbol(Derived2,Decl(callSignatureAssignabilityInInheritance4.ts,3,43))
>a : T, Symbol(a,Decl(callSignatureAssignabilityInInheritance4.ts,28,33))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,28,13))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,28,13))
<T extends Base>(a: T): T;
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,29,13))
>Base : Base, Symbol(Base,Decl(callSignatureAssignabilityInInheritance4.ts,0,0))
>a : T, Symbol(a,Decl(callSignatureAssignabilityInInheritance4.ts,29,29))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,29,13))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,29,13))
}): any[];
};
}
// S's
interface I extends A {
>I : I, Symbol(I,Decl(callSignatureAssignabilityInInheritance4.ts,32,1))
>A : A, Symbol(A,Decl(callSignatureAssignabilityInInheritance4.ts,5,49))
// N's
a: <T>(x: T) => T[]; // ok, instantiation of N is a subtype of M, T is number
>a : <T>(x: T) => T[], Symbol(a,Decl(callSignatureAssignabilityInInheritance4.ts,35,23))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,37,8))
>x : T, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,37,11))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,37,8))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,37,8))
a2: <T>(x: T) => string[]; // ok
>a2 : <T>(x: T) => string[], Symbol(a2,Decl(callSignatureAssignabilityInInheritance4.ts,37,24))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,38,9))
>x : T, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,38,12))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,38,9))
a3: <T>(x: T) => T; // ok since Base returns void
>a3 : <T>(x: T) => T, Symbol(a3,Decl(callSignatureAssignabilityInInheritance4.ts,38,30))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,39,9))
>x : T, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,39,12))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,39,9))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,39,9))
a4: <T, U>(x: T, y: U) => string; // ok, instantiation of N is a subtype of M, T is string, U is number
>a4 : <T, U>(x: T, y: U) => string, Symbol(a4,Decl(callSignatureAssignabilityInInheritance4.ts,39,23))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,40,9))
>U : U, Symbol(U,Decl(callSignatureAssignabilityInInheritance4.ts,40,11))
>x : T, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,40,15))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,40,9))
>y : U, Symbol(y,Decl(callSignatureAssignabilityInInheritance4.ts,40,20))
>U : U, Symbol(U,Decl(callSignatureAssignabilityInInheritance4.ts,40,11))
a5: <T, U>(x: (arg: T) => U) => T; // ok, U is in a parameter position so inferences can be made
>a5 : <T, U>(x: (arg: T) => U) => T, Symbol(a5,Decl(callSignatureAssignabilityInInheritance4.ts,40,37))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,41,9))
>U : U, Symbol(U,Decl(callSignatureAssignabilityInInheritance4.ts,41,11))
>x : (arg: T) => U, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,41,15))
>arg : T, Symbol(arg,Decl(callSignatureAssignabilityInInheritance4.ts,41,19))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,41,9))
>U : U, Symbol(U,Decl(callSignatureAssignabilityInInheritance4.ts,41,11))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,41,9))
a6: <T extends Base, U extends Derived>(x: (arg: T) => U) => T; // ok, same as a5 but with object type hierarchy
>a6 : <T extends Base, U extends Derived>(x: (arg: T) => U) => T, Symbol(a6,Decl(callSignatureAssignabilityInInheritance4.ts,41,38))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,42,9))
>Base : Base, Symbol(Base,Decl(callSignatureAssignabilityInInheritance4.ts,0,0))
>U : U, Symbol(U,Decl(callSignatureAssignabilityInInheritance4.ts,42,24))
>Derived : Derived, Symbol(Derived,Decl(callSignatureAssignabilityInInheritance4.ts,2,27))
>x : (arg: T) => U, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,42,44))
>arg : T, Symbol(arg,Decl(callSignatureAssignabilityInInheritance4.ts,42,48))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,42,9))
>U : U, Symbol(U,Decl(callSignatureAssignabilityInInheritance4.ts,42,24))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,42,9))
a11: <T, U>(x: { foo: T }, y: { foo: U; bar: U }) => Base; // ok
>a11 : <T, U>(x: { foo: T; }, y: { foo: U; bar: U; }) => Base, Symbol(a11,Decl(callSignatureAssignabilityInInheritance4.ts,42,67))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,43,10))
>U : U, Symbol(U,Decl(callSignatureAssignabilityInInheritance4.ts,43,12))
>x : { foo: T; }, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,43,16))
>foo : T, Symbol(foo,Decl(callSignatureAssignabilityInInheritance4.ts,43,20))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,43,10))
>y : { foo: U; bar: U; }, Symbol(y,Decl(callSignatureAssignabilityInInheritance4.ts,43,30))
>foo : U, Symbol(foo,Decl(callSignatureAssignabilityInInheritance4.ts,43,35))
>U : U, Symbol(U,Decl(callSignatureAssignabilityInInheritance4.ts,43,12))
>bar : U, Symbol(bar,Decl(callSignatureAssignabilityInInheritance4.ts,43,43))
>U : U, Symbol(U,Decl(callSignatureAssignabilityInInheritance4.ts,43,12))
>Base : Base, Symbol(Base,Decl(callSignatureAssignabilityInInheritance4.ts,0,0))
a15: <U, V>(x: { a: U; b: V; }) => U[]; // ok, T = U, T = V
>a15 : <U, V>(x: { a: U; b: V; }) => U[], Symbol(a15,Decl(callSignatureAssignabilityInInheritance4.ts,43,62))
>U : U, Symbol(U,Decl(callSignatureAssignabilityInInheritance4.ts,44,10))
>V : V, Symbol(V,Decl(callSignatureAssignabilityInInheritance4.ts,44,12))
>x : { a: U; b: V; }, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,44,16))
>a : U, Symbol(a,Decl(callSignatureAssignabilityInInheritance4.ts,44,20))
>U : U, Symbol(U,Decl(callSignatureAssignabilityInInheritance4.ts,44,10))
>b : V, Symbol(b,Decl(callSignatureAssignabilityInInheritance4.ts,44,26))
>V : V, Symbol(V,Decl(callSignatureAssignabilityInInheritance4.ts,44,12))
>U : U, Symbol(U,Decl(callSignatureAssignabilityInInheritance4.ts,44,10))
a16: <T>(x: { a: T; b: T }) => T[]; // ok, more general parameter type
>a16 : <T>(x: { a: T; b: T; }) => T[], Symbol(a16,Decl(callSignatureAssignabilityInInheritance4.ts,44,43))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,45,10))
>x : { a: T; b: T; }, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,45,13))
>a : T, Symbol(a,Decl(callSignatureAssignabilityInInheritance4.ts,45,17))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,45,10))
>b : T, Symbol(b,Decl(callSignatureAssignabilityInInheritance4.ts,45,23))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,45,10))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,45,10))
a17: <T>(x: (a: T) => T) => T[]; // ok
>a17 : <T>(x: (a: T) => T) => T[], Symbol(a17,Decl(callSignatureAssignabilityInInheritance4.ts,45,39))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,46,10))
>x : (a: T) => T, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,46,13))
>a : T, Symbol(a,Decl(callSignatureAssignabilityInInheritance4.ts,46,17))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,46,10))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,46,10))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,46,10))
a18: (x: <T>(a: T) => T) => any[]; // ok
>a18 : (x: <T>(a: T) => T) => any[], Symbol(a18,Decl(callSignatureAssignabilityInInheritance4.ts,46,36))
>x : <T>(a: T) => T, Symbol(x,Decl(callSignatureAssignabilityInInheritance4.ts,47,10))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,47,14))
>a : T, Symbol(a,Decl(callSignatureAssignabilityInInheritance4.ts,47,17))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,47,14))
>T : T, Symbol(T,Decl(callSignatureAssignabilityInInheritance4.ts,47,14))
}