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Stdle #21 · enums · 2026-06-27

What does this TypeScript snippet output?

A past puzzle — fully playable. 4 attempts, hints on wrong guesses.

enum Greet { Hi = 'hi' }
namespace Greet { export function shout(g: Greet) { return g.toUpperCase(); } }
console.log(Greet.shout(Greet.Hi));
Enums
4 attempts left

Answer & explanation