<<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working Description ======= ======= ======= ======= ======= ======= >>>>>>> .merge-right.r58559 >>>>>>> .merge-right.r58549 >>>>>>> .merge-right.r58299 >>>>>>> .merge-right.r57337 >>>>>>> .merge-right.r57242 Description >>>>>>> .merge-right.r57125

Calls a Polymorphic Function Object with the arguments from a Sequence.

The first template parameter can be specialized explicitly to avoid copying and/or to control the const qualification of a function object.

Constructors can be called applying Boost.Functional/Factory.

<<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working Synopsis ======= ======= ======= ======= ======= ======= >>>>>>> .merge-right.r58559 >>>>>>> .merge-right.r58549 >>>>>>> .merge-right.r58299 >>>>>>> .merge-right.r57337 >>>>>>> .merge-right.r57242 Synopsis >>>>>>> .merge-right.r57125

template<
    typename Function,
    class Sequence
    >
typename result_of::invoke_function_object<Function, Sequence>::type
invoke_function_object(Function f, Sequence & s);

template<
    typename Function,
    class Sequence
    >
typename result_of::invoke_function_object<Function, Sequence const>::type
invoke_function_object(Function f, Sequence const & s);

<<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working Parameters ======= ======= ======= ======= ======= ======= >>>>>>> .merge-right.r58559 >>>>>>> .merge-right.r58549 >>>>>>> .merge-right.r58299 >>>>>>> .merge-right.r57337 >>>>>>> .merge-right.r57242 Parameters >>>>>>> .merge-right.r57125

<<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working Expression ======= ======= ======= ======= ======= ======= >>>>>>> .merge-right.r58559 >>>>>>> .merge-right.r58549 >>>>>>> .merge-right.r58299 >>>>>>> .merge-right.r57337 >>>>>>> .merge-right.r57242 Expression >>>>>>> .merge-right.r57125 Semantics

invoke_function_object(f,s);

Return type: Return type of f when invoked with the elements in s as its arguments.

Semantics: Invokes f with the elements in s as arguments and returns the result of the call expression.

<<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working Header ======= ======= ======= ======= ======= ======= >>>>>>> .merge-right.r58559 >>>>>>> .merge-right.r58549 >>>>>>> .merge-right.r58299 >>>>>>> .merge-right.r57337 >>>>>>> .merge-right.r57242 Header >>>>>>> .merge-right.r57125

#include <boost/fusion/functional/invocation/invoke_function_object.hpp>

<<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working Example ======= ======= ======= ======= ======= ======= >>>>>>> .merge-right.r58559 >>>>>>> .merge-right.r58549 >>>>>>> .merge-right.r58299 >>>>>>> .merge-right.r57337 >>>>>>> .merge-right.r57242 Example >>>>>>> .merge-right.r57125

struct sub
{
    template <typename Sig>
    struct result;

    template <class Self, typename T>
    struct result< Self(T,T) >
    { typedef typename remove_reference<T>::type type; };

    template<typename T>
    T operator()(T lhs, T rhs) const
    {
        return lhs - rhs;
    }
};

void try_it()
{
    sub f;
    assert(f(2,1) == invoke_function_object(f,make_vector(2,1)));
}

<<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working See ======= ======= ======= ======= ======= ======= >>>>>>> .merge-right.r58559 >>>>>>> .merge-right.r58549 >>>>>>> .merge-right.r58299 >>>>>>> .merge-right.r57337 >>>>>>> .merge-right.r57242 See >>>>>>> .merge-right.r57125 also