The MPL Reference Manual: back_inserter

back_inserter

template<
      typename Seq
    >
struct back_inserter
{
    // unspecified
    // ...
};

Inserts elements at the end of the sequence.

#include <boost/mpl/back_inserter.hpp>

Parameter	Requirement	Description
`Seq`	Back Extensible Sequence	A sequence to bind the inserter to.

The semantics of an expression are defined only where they differ from, or are not defined in Inserter.

Expression Semantics

Expression	Semantics
`back_inserter`	An Inserter `in`, equivalent to struct in : inserterpush_back<_1,_2> > {};

back_inserter

An Inserter in, equivalent to

struct in : inserterpush_back<_1,_2> > {};

Amortized constant time.

typedef copy<
      range_c
    , back_inserter< vector_c >
    >::type range;

BOOST_MPL_ASSERT(( equal< range, range_c > ));

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