Pares de valor de chave datilografados
var item: {[key: string]: number}
Iron Chicken
var item: {[key: string]: number}const getKeyValue =
<T extends object, U extends keyof T>(obj: T) =>
(key: U) => {
return obj[key]
}
// Usage
const list = {
1: '1',
2: '2',
3: '3',
}
getKeyValue(list)(2)