rambdax/_ts-toolbelt/src/List/Modify.ts

Extended version of Rambda - a lightweight, faster alternative to Ramda

import {At} from './At'
import {Replace} from '../Union/Replace'
import {x} from '../Any/x'
import {List} from './List'

/**
Modify `L` with `LMod` & the [[x]] placeholder
@param L to copy from
@param LMod to copy to
@returns [[List]]
@example
```ts
```
*/
export type Modify<L extends List, LMod extends List> = {
    [K in keyof LMod]: Replace<LMod[K], x, Exclude<At<L, K>, undefined>>
} & {}