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lensOptionalProp()

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

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

Type Parameters​

T​

T extends object

The type of the object being inspected.

Returns​

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

Type Parameters​

K​

K extends string | number | symbol

Parameters​

prop​

K

Returns​

Lens<T, T[K] | undefined>

Remarks​

pure function

Example​

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