typescript 如何获取对象的value类型

Question

type test = {a: string, b:number, c: boolean}
// 想返回
//string | number | boolean
//就是keyof 对应的那种

Answer 1

type Test = { a: string; b: number; c: boolean };

type ValueOf<T> = T[keyof T];

type TestValues = ValueOf<Test>; // string | number | boolean