| .. Algorithms/Inserters//front_inserter |
| |
| front_inserter |
| ============== |
| |
| Synopsis |
| -------- |
| |
| .. parsed-literal:: |
| |
| template< |
| typename Seq |
| > |
| struct front_inserter |
| { |
| // |unspecified| |
| // |...| |
| }; |
| |
| |
| Description |
| ----------- |
| |
| Inserts elements at the beginning of the sequence. |
| |
| Header |
| ------ |
| |
| .. parsed-literal:: |
| |
| #include <boost/mpl/front_inserter.hpp> |
| |
| Model of |
| -------- |
| |
| |Inserter| |
| |
| |
| Parameters |
| ---------- |
| |
| +---------------+-------------------------------+---------------------------------------+ |
| | Parameter | Requirement | Description | |
| +===============+===============================+=======================================+ |
| | ``Seq`` | |Front Extensible Sequence| | A sequence to bind the inserter to. | |
| +---------------+-------------------------------+---------------------------------------+ |
| |
| |
| Expression semantics |
| -------------------- |
| |
| |Semantics disclaimer...| |Inserter|. |
| |
| For any |Front Extensible Sequence| ``s``: |
| |
| +---------------------------+-------------------------------------------------------+ |
| | Expression | Semantics | |
| +===========================+=======================================================+ |
| | ``front_inserter<s>`` | An |Inserter| ``in``, equivalent to | |
| | | | |
| | | .. parsed-literal:: | |
| | | | |
| | | struct in : inserter<s,push_front<_1,_2> > {}; | |
| +---------------------------+-------------------------------------------------------+ |
| |
| |
| Complexity |
| ---------- |
| |
| Amortized constant time. |
| |
| |
| Example |
| ------- |
| |
| .. parsed-literal:: |
| |
| typedef reverse_copy< |
| range_c<int,0,5> |
| , front_inserter< vector_c<int,5,6,7,8,9> > |
| >::type range; |
| |
| BOOST_MPL_ASSERT(( equal< range, range_c<int,0,10> > )); |
| |
| |
| See also |
| -------- |
| |
| |Algorithms|, |Inserter|, |Reversible Algorithm|, |[inserter]|, |back_inserter|, |push_front| |
| |
| |
| .. copyright:: Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
