Method constructor

packages/effect/src/Optic.ts:346–367

(path: ReadonlyArray<PropertyKey>)

  readonly set: (a: any, s?: any) => any

  constructor(path: ReadonlyArray<PropertyKey>) {
    this.path = path
    this.get = (s) => {
      let out = s
      for (let i = 0; i < path.length; i++) {
        out = out[path[i]]
      }
      return out
    }
    this.set = (a, s) => {
      const out = cloneShallow(s)
      let current = out
      let i = 0
      for (; i < path.length - 1; i++) {
        const key = path[i]
        InternalRecord.assignProperty(current, key, cloneShallow(current[key]))
        current = current[key]
      }
      InternalRecord.assignProperty(current, path[i], a)
      return out
    }
  }
}

class CheckNode<T> {