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=== tests/cases/conformance/types/union/unionTypeMembers.ts ===
interface I1<T> {
>I1 : Symbol(I1, Decl(unionTypeMembers.ts, 0, 0))
>T : Symbol(T, Decl(unionTypeMembers.ts, 0, 13))
commonMethodType(a: string): string;
>commonMethodType : Symbol(I1.commonMethodType, Decl(unionTypeMembers.ts, 0, 17))
>a : Symbol(a, Decl(unionTypeMembers.ts, 1, 21))
commonPropertyType: string;
>commonPropertyType : Symbol(I1.commonPropertyType, Decl(unionTypeMembers.ts, 1, 40))
commonMethodDifferentParameterType(a: string): string;
>commonMethodDifferentParameterType : Symbol(I1.commonMethodDifferentParameterType, Decl(unionTypeMembers.ts, 2, 31))
>a : Symbol(a, Decl(unionTypeMembers.ts, 4, 39))
commonMethodDifferentReturnType(a: string): string;
>commonMethodDifferentReturnType : Symbol(I1.commonMethodDifferentReturnType, Decl(unionTypeMembers.ts, 4, 58))
>a : Symbol(a, Decl(unionTypeMembers.ts, 5, 36))
commonPropertyDifferenType: string;
>commonPropertyDifferenType : Symbol(I1.commonPropertyDifferenType, Decl(unionTypeMembers.ts, 5, 55))
commonMethodWithTypeParameter(a: T): T;
>commonMethodWithTypeParameter : Symbol(I1.commonMethodWithTypeParameter, Decl(unionTypeMembers.ts, 6, 39))
>a : Symbol(a, Decl(unionTypeMembers.ts, 8, 34))
>T : Symbol(T, Decl(unionTypeMembers.ts, 0, 13))
>T : Symbol(T, Decl(unionTypeMembers.ts, 0, 13))
commonMethodWithOwnTypeParameter<U>(a: U): U;
>commonMethodWithOwnTypeParameter : Symbol(I1.commonMethodWithOwnTypeParameter, Decl(unionTypeMembers.ts, 8, 43))
>U : Symbol(U, Decl(unionTypeMembers.ts, 9, 37))
>a : Symbol(a, Decl(unionTypeMembers.ts, 9, 40))
>U : Symbol(U, Decl(unionTypeMembers.ts, 9, 37))
>U : Symbol(U, Decl(unionTypeMembers.ts, 9, 37))
methodOnlyInI1(a: string): string;
>methodOnlyInI1 : Symbol(I1.methodOnlyInI1, Decl(unionTypeMembers.ts, 9, 49))
>a : Symbol(a, Decl(unionTypeMembers.ts, 11, 19))
propertyOnlyInI1: string;
>propertyOnlyInI1 : Symbol(I1.propertyOnlyInI1, Decl(unionTypeMembers.ts, 11, 38))
}
interface I2<T> {
>I2 : Symbol(I2, Decl(unionTypeMembers.ts, 13, 1))
>T : Symbol(T, Decl(unionTypeMembers.ts, 15, 13))
commonMethodType(a: string): string;
>commonMethodType : Symbol(I2.commonMethodType, Decl(unionTypeMembers.ts, 15, 17))
>a : Symbol(a, Decl(unionTypeMembers.ts, 16, 21))
commonPropertyType: string;
>commonPropertyType : Symbol(I2.commonPropertyType, Decl(unionTypeMembers.ts, 16, 40))
commonMethodDifferentParameterType(a: number): number;
>commonMethodDifferentParameterType : Symbol(I2.commonMethodDifferentParameterType, Decl(unionTypeMembers.ts, 17, 31))
>a : Symbol(a, Decl(unionTypeMembers.ts, 19, 39))
commonMethodDifferentReturnType(a: string): number;
>commonMethodDifferentReturnType : Symbol(I2.commonMethodDifferentReturnType, Decl(unionTypeMembers.ts, 19, 58))
>a : Symbol(a, Decl(unionTypeMembers.ts, 20, 36))
commonPropertyDifferenType: number;
>commonPropertyDifferenType : Symbol(I2.commonPropertyDifferenType, Decl(unionTypeMembers.ts, 20, 55))
commonMethodWithTypeParameter(a: T): T;
>commonMethodWithTypeParameter : Symbol(I2.commonMethodWithTypeParameter, Decl(unionTypeMembers.ts, 21, 39))
>a : Symbol(a, Decl(unionTypeMembers.ts, 23, 34))
>T : Symbol(T, Decl(unionTypeMembers.ts, 15, 13))
>T : Symbol(T, Decl(unionTypeMembers.ts, 15, 13))
commonMethodWithOwnTypeParameter<U>(a: U): U;
>commonMethodWithOwnTypeParameter : Symbol(I2.commonMethodWithOwnTypeParameter, Decl(unionTypeMembers.ts, 23, 43))
>U : Symbol(U, Decl(unionTypeMembers.ts, 24, 37))
>a : Symbol(a, Decl(unionTypeMembers.ts, 24, 40))
>U : Symbol(U, Decl(unionTypeMembers.ts, 24, 37))
>U : Symbol(U, Decl(unionTypeMembers.ts, 24, 37))
methodOnlyInI2(a: string): string;
>methodOnlyInI2 : Symbol(I2.methodOnlyInI2, Decl(unionTypeMembers.ts, 24, 49))
>a : Symbol(a, Decl(unionTypeMembers.ts, 26, 19))
propertyOnlyInI2: string;
>propertyOnlyInI2 : Symbol(I2.propertyOnlyInI2, Decl(unionTypeMembers.ts, 26, 38))
}
// a union type U has those members that are present in every one of its constituent types,
// with types that are unions of the respective members in the constituent types
var x : I1<number> | I2<number>;
>x : Symbol(x, Decl(unionTypeMembers.ts, 32, 3))
>I1 : Symbol(I1, Decl(unionTypeMembers.ts, 0, 0))
>I2 : Symbol(I2, Decl(unionTypeMembers.ts, 13, 1))
var str: string;
>str : Symbol(str, Decl(unionTypeMembers.ts, 33, 3))
var num: number;
>num : Symbol(num, Decl(unionTypeMembers.ts, 34, 3))
var strOrNum: string | number;
>strOrNum : Symbol(strOrNum, Decl(unionTypeMembers.ts, 35, 3))
// If each type in U has a property P, U has a property P of a union type of the types of P from each type in U.
str = x.commonPropertyType; // string
>str : Symbol(str, Decl(unionTypeMembers.ts, 33, 3))
>x.commonPropertyType : Symbol(commonPropertyType, Decl(unionTypeMembers.ts, 1, 40), Decl(unionTypeMembers.ts, 16, 40))
>x : Symbol(x, Decl(unionTypeMembers.ts, 32, 3))
>commonPropertyType : Symbol(commonPropertyType, Decl(unionTypeMembers.ts, 1, 40), Decl(unionTypeMembers.ts, 16, 40))
str = x.commonMethodType(str); // (a: string) => string so result should be string
>str : Symbol(str, Decl(unionTypeMembers.ts, 33, 3))
>x.commonMethodType : Symbol(commonMethodType, Decl(unionTypeMembers.ts, 0, 17), Decl(unionTypeMembers.ts, 15, 17))
>x : Symbol(x, Decl(unionTypeMembers.ts, 32, 3))
>commonMethodType : Symbol(commonMethodType, Decl(unionTypeMembers.ts, 0, 17), Decl(unionTypeMembers.ts, 15, 17))
>str : Symbol(str, Decl(unionTypeMembers.ts, 33, 3))
strOrNum = x.commonPropertyDifferenType;
>strOrNum : Symbol(strOrNum, Decl(unionTypeMembers.ts, 35, 3))
>x.commonPropertyDifferenType : Symbol(commonPropertyDifferenType, Decl(unionTypeMembers.ts, 5, 55), Decl(unionTypeMembers.ts, 20, 55))
>x : Symbol(x, Decl(unionTypeMembers.ts, 32, 3))
>commonPropertyDifferenType : Symbol(commonPropertyDifferenType, Decl(unionTypeMembers.ts, 5, 55), Decl(unionTypeMembers.ts, 20, 55))
strOrNum = x.commonMethodDifferentReturnType(str); // string | union
>strOrNum : Symbol(strOrNum, Decl(unionTypeMembers.ts, 35, 3))
>x.commonMethodDifferentReturnType : Symbol(commonMethodDifferentReturnType, Decl(unionTypeMembers.ts, 4, 58), Decl(unionTypeMembers.ts, 19, 58))
>x : Symbol(x, Decl(unionTypeMembers.ts, 32, 3))
>commonMethodDifferentReturnType : Symbol(commonMethodDifferentReturnType, Decl(unionTypeMembers.ts, 4, 58), Decl(unionTypeMembers.ts, 19, 58))
>str : Symbol(str, Decl(unionTypeMembers.ts, 33, 3))
x.commonMethodDifferentParameterType; // No error - property exists
>x.commonMethodDifferentParameterType : Symbol(commonMethodDifferentParameterType, Decl(unionTypeMembers.ts, 2, 31), Decl(unionTypeMembers.ts, 17, 31))
>x : Symbol(x, Decl(unionTypeMembers.ts, 32, 3))
>commonMethodDifferentParameterType : Symbol(commonMethodDifferentParameterType, Decl(unionTypeMembers.ts, 2, 31), Decl(unionTypeMembers.ts, 17, 31))
x.commonMethodDifferentParameterType(strOrNum); // error - no call signatures because the type of this property is ((a: string) => string) | (a: number) => number
>x.commonMethodDifferentParameterType : Symbol(commonMethodDifferentParameterType, Decl(unionTypeMembers.ts, 2, 31), Decl(unionTypeMembers.ts, 17, 31))
>x : Symbol(x, Decl(unionTypeMembers.ts, 32, 3))
>commonMethodDifferentParameterType : Symbol(commonMethodDifferentParameterType, Decl(unionTypeMembers.ts, 2, 31), Decl(unionTypeMembers.ts, 17, 31))
>strOrNum : Symbol(strOrNum, Decl(unionTypeMembers.ts, 35, 3))
// and the call signatures arent identical
num = x.commonMethodWithTypeParameter(num);
>num : Symbol(num, Decl(unionTypeMembers.ts, 34, 3))
>x.commonMethodWithTypeParameter : Symbol(commonMethodWithTypeParameter, Decl(unionTypeMembers.ts, 6, 39), Decl(unionTypeMembers.ts, 21, 39))
>x : Symbol(x, Decl(unionTypeMembers.ts, 32, 3))
>commonMethodWithTypeParameter : Symbol(commonMethodWithTypeParameter, Decl(unionTypeMembers.ts, 6, 39), Decl(unionTypeMembers.ts, 21, 39))
>num : Symbol(num, Decl(unionTypeMembers.ts, 34, 3))
num = x.commonMethodWithOwnTypeParameter(num);
>num : Symbol(num, Decl(unionTypeMembers.ts, 34, 3))
>x.commonMethodWithOwnTypeParameter : Symbol(commonMethodWithOwnTypeParameter, Decl(unionTypeMembers.ts, 8, 43), Decl(unionTypeMembers.ts, 23, 43))
>x : Symbol(x, Decl(unionTypeMembers.ts, 32, 3))
>commonMethodWithOwnTypeParameter : Symbol(commonMethodWithOwnTypeParameter, Decl(unionTypeMembers.ts, 8, 43), Decl(unionTypeMembers.ts, 23, 43))
>num : Symbol(num, Decl(unionTypeMembers.ts, 34, 3))
str = x.commonMethodWithOwnTypeParameter(str);
>str : Symbol(str, Decl(unionTypeMembers.ts, 33, 3))
>x.commonMethodWithOwnTypeParameter : Symbol(commonMethodWithOwnTypeParameter, Decl(unionTypeMembers.ts, 8, 43), Decl(unionTypeMembers.ts, 23, 43))
>x : Symbol(x, Decl(unionTypeMembers.ts, 32, 3))
>commonMethodWithOwnTypeParameter : Symbol(commonMethodWithOwnTypeParameter, Decl(unionTypeMembers.ts, 8, 43), Decl(unionTypeMembers.ts, 23, 43))
>str : Symbol(str, Decl(unionTypeMembers.ts, 33, 3))
strOrNum = x.commonMethodWithOwnTypeParameter(strOrNum);
>strOrNum : Symbol(strOrNum, Decl(unionTypeMembers.ts, 35, 3))
>x.commonMethodWithOwnTypeParameter : Symbol(commonMethodWithOwnTypeParameter, Decl(unionTypeMembers.ts, 8, 43), Decl(unionTypeMembers.ts, 23, 43))
>x : Symbol(x, Decl(unionTypeMembers.ts, 32, 3))
>commonMethodWithOwnTypeParameter : Symbol(commonMethodWithOwnTypeParameter, Decl(unionTypeMembers.ts, 8, 43), Decl(unionTypeMembers.ts, 23, 43))
>strOrNum : Symbol(strOrNum, Decl(unionTypeMembers.ts, 35, 3))
x.propertyOnlyInI1; // error
>x : Symbol(x, Decl(unionTypeMembers.ts, 32, 3))
x.propertyOnlyInI2; // error
>x : Symbol(x, Decl(unionTypeMembers.ts, 32, 3))
x.methodOnlyInI1("hello"); // error
>x : Symbol(x, Decl(unionTypeMembers.ts, 32, 3))
x.methodOnlyInI2(10); // error
>x : Symbol(x, Decl(unionTypeMembers.ts, 32, 3))
|
