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//// [narrowingTypeofFunction.ts]
type Meta = { foo: string }
interface F { (): string }
function f1(a: (F & Meta) | string) {
if (typeof a === "function") {
a;
}
else {
a;
}
}
function f2<T>(x: (T & F) | T & string) {
if (typeof x === "function") {
x;
}
else {
x;
}
}
function f3(x: { _foo: number } & number) {
if (typeof x === "function") {
x;
}
}
//// [narrowingTypeofFunction.js]
"use strict";
function f1(a) {
if (typeof a === "function") {
a;
}
else {
a;
}
}
function f2(x) {
if (typeof x === "function") {
x;
}
else {
x;
}
}
function f3(x) {
if (typeof x === "function") {
x;
}
}
|
