swap (method)

swap

• swap<U>(newVal): Opt<U>

• Swaps value inside (for None it's noop).

  Type Parameters

  • U

  Parameters

  • newVal: U

  Returns Opt<U>

  Example

  opt(1).swap('a') // Some('a')
  none.swap('a') // None
  

  Same as map(const(newValue)).

  See

  swap