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ragmha/type-alias.ts

Created November 26, 2018 09:11
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type-alias.ts
type Size = "small" | "medium" | "large";
type Callback = (size: Size) => void;
let pizzaSize: Size = "small";
const selectSize: Callback = x => (pizzaSize = x);
selectSize("medium");
console.log(`Pizza size: ${pizzaSize}`);
selectSize("small");
console.log(`Pizza size: ${pizzaSize}`);
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