template<
class Arg,
class Result
> class pointer_to_unary_function : public std::unary_function<Arg, Result>; | (until C++17) (deprecated since C++11) |
std::pointer_to_unary_function is a function object that acts as a wrapper around a unary function.
Member functions
| (constructor) | constructs a new pointer_to_unary_function object with the supplied function (public member function) |
| operator() | calls the stored function (public member function) |
std::pointer_to_unary_function::pointer_to_unary_function
explicit pointer_to_unary_function( Result (*f)(Arg) ); |
Constructs a pointer_to_unary_function function object with the stored function f.
Parameters
| f | - | pointer to a function to store |
std::pointer_to_unary_function::operator()
Result operator()( Arg x ) const; |
Calls the stored function.
Parameters
| x | - | argument to pass to the function |
Return value
The value returned by the called function.
See also
| (until C++17) | adaptor-compatible wrapper for a pointer to binary function (class template) |
| (until C++17) | creates an adaptor-compatible function object wrapper from a pointer to function (function template) |
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