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ragmha/type-assertion.ts

Created November 26, 2018 10:38
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type-assertion.ts
type Pizza = { name: string; toppings: number };
const pizza: Pizza = { name: 'Blazing Inferno', toppings: 5 };
const serialized = JSON.stringify(pizza);
function getNameFromJSON(obj: string) {
// return (<Pizza>JSON.parse(obj)).name;
return (JSON.parse(obj) as Pizza).name;
}
getNameFromJSON(serialized);
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