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lensOptionalProp()

lensOptionalProp<T>(): <K>(prop) => Lens<T, undefined | T[K]>

Short-hand to create is simplistic, optional, get/set lens.

Type Parameters​

• T extends object

Returns​

Function

Type Parameters​

• K extends string | number | symbol

Parameters​

prop​

K

Returns​

Lens<T, undefined | T[K]>

Remark​

pure function

Example​

const { get, set } = lensOptionalProp<Person>()('name');