Binder: A binder is used to bind an argument to a function object. In C++ there are two binders bind1st() and bind2nd().
Syntax of bind1st():
Syntax of bind2nd():
where, binfunction_object is the binary function object.
Negator: It is used to return the complement of a predicate. It is of two types not1() and not2().
Syntax of not1():
Syntax of not2():