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tail-call/overloads.ts

Created October 17, 2022 04:24
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overloads.ts
interface X {
x: any;
}
interface Y {
y: any;
}
interface Z {
z: any;
}
function f(x: X): Z;
function f(y: Y): Z;
function f(xOrY: X | Y): Z {
if ('x' in xOrY) {
return { z: xOrY.x };
} else {
return { z: xOrY.y };
}
}
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