Allows conversion from a Boolean to an option of a Boolean.
Allows conversion from a Boolean to an option of a Boolean. It is used to lift the boolean value into the computational context of an Option. This function has many names in many different contexts (point, return, etc). For more info, see http://en.wikipedia.org/wiki/Monad_(functional_programming)
a Boolean to be converted to an Option[Boolean].
the lifted boolean.