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itacirgabral/greeting.ts

Created August 7, 2023 02:39
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greeting.ts
function youSayGoodbyeISayHello<TGreeting extends 'hello' | 'goodbye'>(greeting: TGreeting) {
const returned = greeting === "goodbye"
? "hello"
: "goodbye"
return returned as TGreeting extends 'hello' ? 'goodbye' : 'hello';
}
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