A constructor/factory, takes no parameters but creates a new value of type T every call.
An executable piece of code that takes no parameters and doesn't return any value.
A Function interface.
A Function interface.
Helper for implementing a *pure* partial function: it will possibly be
invoked multiple times for a single “application”, because its only abstract
method is used for both isDefinedAt() and apply(); the former is mapped to
isCheck == true
and the latter to isCheck == false
for those cases where
this is important to know.
This class represents optional values.
Java API Represents a pair (tuple) of two elements.
Java API: Defines a criteria and determines whether the parameter meets this criteria.
A Procedure is like a Function, but it doesn't produce a return value.