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tswistak/pick.ts

Created January 16, 2019 10:34
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Avoiding any in TypeScript, listing 7
Raw
pick.ts
type C = { a: string; b: string; c: boolean; d: string; }
type D = { b: string; c: boolean; }
type pickCkeys = Pick<C, 'c'>
type pickCD = Pick<C, keyof D>;
const c: pickCkeys = { c: true }; // a, b, d doesn't exist
const d: pickCD = { b: 'a', c: true }; // a, d doesn't exist
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