Standard C++ Library
Copyright 1998, Rogue Wave Software, Inc.
NAME
pointer_to_unary_function
- A function object class that adapts a pointer to a func-
tion, to take the place of a unary_function.
SYNOPSIS
#include <functional>
template <class Arg, class Result>
class pointer_to_unary_function : public unary_function<Arg,
Result>;
DESCRIPTION
The pointer_to_unary_function class encapsulates a pointer
to a single-argument function. The class uses operator() so
that the resulting object serves as a function object for
that function.
The ptr_fun function is overloaded to create instances of
pointer_to_unary_function when included with the appropriate
pointer to a function.
INTERFACE
template <class Arg, class Result>
class pointer_to_unary_function : public
unary_function<Arg, Result> {
public:
explicit pointer_to_unary_function (Result (*f)(Arg));
Result operator() (const Arg&) const;
};
template<class Arg, class Result>
pointer_to_unary_function<Arg, Result>
ptr_fun (Result (*f)(Arg));
SEE ALSO
Function_Objects, pointer_to_binary_function, ptr_fun,
unary_function