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@carlrip

carlrip/index.ts

Created December 17, 2019 18:13
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The unknown type
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index.ts
const person: unknown = await getPerson(id);
if (isPersonWithAddress(person)) {
const postcode = person.address.postcode;
}
function isPersonWithAddress(person: any): person is Person {
return "address" in person && "postcode" in person.address;
}
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