摘要：
iota Generate a set of related but distinct constants Often represents a property which has several distinct possible values Dyas of the week Months o 阅读全文
摘要：
namespace AllGreetings { export namespace Greetings { export function returnGreeting (greeting: string) { console.log(`The message from namespace Gree 阅读全文
摘要：
Chainable options are commonly used in Javascript. But when we switch to TypeScript, can you properly type it? In this challenge, you need to type an 阅读全文
摘要：
Implement a generic TupleToUnion<T> which covers the values of a tuple to its values union. For example type Arr = ['1', '2', '3'] type Test = TupleTo 阅读全文
摘要：
Implement a generic DeepReadonly<T> which make every parameter of an object - and its sub-objects recursively - readonly. You can assume that we are o 阅读全文
摘要：
Implement a generic MyReadonly2<T, K> which takes two type argument T and K. K specify the set of properties of T that should set to Readonly. When K 阅读全文