hasIn (method)

Abstract hasIn

• hasIn<U>(this, x): boolean

• Checks if an array inside the Opt contains the given element.

  Type Parameters

  • U

  Parameters

  • this: Opt<readonly U[]>

  • x: U

    Element to search for.

  Returns boolean

  Example

  opt([1, 2, 3]).hasIn(2) // true
  opt([1, 2, 3]).hasIn(4) // false
  none.hasIn(1) // false
  

  See

  has