TypeScript/tests/cases/compiler/functionCallOnConstrainedTypeVariable.ts

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2017-12-02 01:54:32 +01:00
// @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
}