zerolee

```ts type Foo = { readonly a: number; readonly b: string; readonly c: boolean; }; type Mutable = { -readonly [K in Keys]: T[K]; } & Pick; const mutableFoo: Mutable...

``` import { type } from "os"; type ToPath = S extends `${infer A}.${infer B}` ? [...IndexStructure, ...ToPath] : [...IndexStructure];// 你的实现代码 type IndexStructure = S extends `${infer A}[${infer B}]` ?...

``` type Foo = { a: number; b: string; }; type Bar = { b: number; }; type Merge = { [T in keyof (FirstType & SecondType)]: T extends keyof...

``` type Reverse< T extends Array > = T extends [infer First, ...infer Rest] ? [...Reverse, First] : [] type R0 = Reverse // [] type R1 = Reverse //...

```typescript interface Foo { [key: string]: any; [key: number]: any; bar(): void; } type RemoveIndexSignature = { [key in keyof T as string extends key ? never : number extends...