partial

Callable

• partial<T>(arbitrary: Arbitrary<T>, constraints?: MaybePartial<PartialGenerator>): Dependent<T | undefined>

---

• It takes an arbitrary and returns a new arbitrary that can generate undefined values.

  Example

  random(partial(integer()))
  // => undefined
  
  random(partial(integer()))
  // => 1234
  
  random(partial(integer({symbol: Nothing})))
  // => Nothing

  @deprecated

  ---

  Type parameters

  • T

  Parameters

  • arbitrary: Arbitrary<T>

    The arbitrary to make partial.

  • constraints: MaybePartial<PartialGenerator> = {}

    The constraints used to generate arbitrary values.

  Returns Dependent<T | undefined>

  A partial version of the given arbitrary.