filter

Returns the result type of filter_if given the sequence and unary MPL Lambda Expression predicate type.

template<
    typename Sequence,
    typename Pred
    >
struct filter_if
{
    typedef unspecified type;
};

<<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working

Table 1.74. Parameter

=======

Table 1.74. Parameter

=======

Table 1.78. Parameter

=======

Table 1.78. Parameter

=======

Table 1.78. Parameter

=======

Table 1.78. Parameter

=======

Table 1.78. Parameter

>>>>>>> .merge-right.r58559 >>>>>>> .merge-right.r58549 >>>>>>> .merge-right.r58299 >>>>>>> .merge-right.r57337 >>>>>>> .merge-right.r57242

>>>>>>> .merge-right.r57125

Parameter	Requirement	Description
`Sequence`	A model of Forward Sequence	Operation's argument
`Pred`	A unary MPL Lambda Expression	Type to retain

<<<<<<< .working

result_of::filter_if<Sequence, Pred>::type

<<<<<<< .working Return type: A model of Forward Sequence. ======= Return type: >>>>>>> .merge-right.r57242

A model of Forward Sequence.
A model of Associative Sequence if Sequence implements the Associative Sequence model.

Semantics: Returns a sequence containing the elements of Sequence for which Pred evaluates to boost::mpl::true_.

Constant.

#include <boost/fusion/algorithm/transformation/filter_if.hpp>
#include <boost/fusion/include/filter_if.hpp>