TypeScript/tests/cases/compiler/functionCallOnConstrainedTypeVariable.ts
2017-12-01 16:54:32 -08:00

22 lines
333 B
TypeScript

// @strict: true
// Repro from #20196
type A = {
a: (x: number) => string
};
type B = {
a: (x: boolean) => string
};
function call0(p: A | B) {
p.a("s"); // Error
}
function callN<T extends A | B>(p: T) {
p.a("s"); // Error
var a: T["a"] = p.a;
a(""); // Error
a("", "", "", ""); // Error
}