Stdle #13 · generics · 2026-06-19
What does this TypeScript snippet output?
A past puzzle — fully playable. 4 attempts, hints on wrong guesses.
function w(this: number[], x: number) { return this.length + x }console.log(w.call([1, 2], 3))Generics
Stdle #13 · generics · 2026-06-19
A past puzzle — fully playable. 4 attempts, hints on wrong guesses.
function w(this: number[], x: number) { return this.length + x }console.log(w.call([1, 2], 3))