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tswistak/record.ts

Created January 16, 2019 10:26
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Avoiding any in TypeScript, listing 3
Raw
record.ts
const dict2: { a?: string } & Record<string, number> = {};
dict2.a = 'a';
dict2.a = 1; // ERROR: 1 is not assignable to type string
dict2.b = 2;
dict2.b = 'b'; // ERROR: "b" is not assignable to type number
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