2004-11-28 03:35:12 +00:00
<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
< html xmlns = "http://www.w3.org/1999/xhtml" xml:lang = "en" lang = "en" >
< head >
< meta http-equiv = "Content-Type" content = "text/html; charset=utf-8" />
2010-08-09 20:07:24 +00:00
< meta name = "generator" content = "Docutils 0.7: http://docutils.sourceforge.net/" />
2004-11-28 03:35:12 +00:00
< title > The MPL Reference Manual: Algorithms</ title >
< link rel = "stylesheet" href = "../style.css" type = "text/css" />
</ head >
< body class = "docframe refmanual" >
< table class = "header" >< tr class = "header" >< td class = "header-group navigation-bar" >< span class = "navigation-group" >< a href = "./iterator-category.html" class = "navigation-link" > Prev</ a > < a href = "./algorithms-concepts.html" class = "navigation-link" > Next</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./iterators.html" class = "navigation-link" > Back</ a > < a href = "./metafunctions.html" class = "navigation-link" > Along</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "../refmanual.html" class = "navigation-link" > Up</ a > < a href = "../refmanual.html" class = "navigation-link" > Home</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./refmanual_toc.html" class = "navigation-link" > Full TOC</ a ></ span ></ td >
< td class = "header-group page-location" >< a href = "../refmanual.html" class = "navigation-link" > Front Page</ a > / < a href = "./algorithms.html" class = "navigation-link" > Algorithms</ a ></ td >
</ tr ></ table >< div class = "header-separator" ></ div >
< div class = "section" id = "algorithms" >
2010-08-09 20:07:24 +00:00
< h1 >< a class = "toc-backref" href = "../refmanual.html#id1460" > Algorithms</ a ></ h1 >
2009-08-17 11:30:52 +00:00
< p id = "label-algorithms" > The MPL provides a broad range of fundamental algorithms aimed to
satisfy the majority of sequential compile-time data processing
2004-11-28 03:35:12 +00:00
needs. The algorithms include compile-time counterparts
2009-08-17 11:30:52 +00:00
of many of the STL algorithms, iteration algorithms borrowed from
2004-11-28 03:35:12 +00:00
functional programming languages, and more.</ p >
< p > Unlike the algorithms in the C++ Standard Library, which operate on
implict < em > iterator ranges</ em > , the majority of MPL counterparts take
2009-08-17 11:30:52 +00:00
and return < em > sequences</ em > . This derivation is not dictated by the
2004-11-28 03:35:12 +00:00
functional nature of C++ compile-time computations per se, but
rather by a desire to improve general usability of the library,
2009-08-17 11:30:52 +00:00
making programming with compile-time data structures as enjoyable
2004-11-28 03:35:12 +00:00
as possible.</ p >
2009-08-17 11:30:52 +00:00
<!-- This can be seen as a further generalization and extension of
2004-11-28 03:35:12 +00:00
the STL's conceptual framework. -->
2009-08-17 11:30:52 +00:00
< p > In the spirit of the STL, MPL algorithms are < em > generic</ em > , meaning
that they are not tied to particular sequence class
implementations, and can operate on a wide range of arguments as
2004-11-28 03:35:12 +00:00
long as they satisfy the documented requirements. The requirements
2009-08-17 11:30:52 +00:00
are formulated in terms of concepts. Under the hood,
algorithms are decoupled from concrete sequence
implementations by operating on < a class = "reference internal" href = "./iterators.html" > Iterators</ a > .</ p >
< p > All MPL algorithms can be sorted into three
major categories: iteration algorithms, querying algorithms, and
transformation algorithms. The transformation algorithms introduce
an associated < a class = "reference internal" href = "./inserter.html" > Inserter</ a > concept, a rough equivalent for the notion of
2019-04-23 21:47:07 +02:00
< a class = "reference external" href = "https://boost.org/sgi/stl/OutputIterator.html" target = "_top" > Output Iterator</ a > in the Standard Library. Moreover, every
2009-08-17 11:30:52 +00:00
transformation algorithm provides a < tt class = "literal" >< span class = "pre" > reverse_</ span ></ tt > counterpart,
2004-11-28 03:35:12 +00:00
allowing for a wider range of efficient transformations — a
2009-08-17 11:30:52 +00:00
common functionality documented by the < a class = "reference internal" href = "./reversible-algorithm.html" > Reversible Algorithm</ a >
2004-11-28 03:35:12 +00:00
concept.</ p >
< ul class = "toc simple" id = "outline" >
2010-08-09 20:07:24 +00:00
< li >< a class = "reference internal" href = "./algorithms-concepts.html" id = "id1461" > Concepts</ a ></ li >
< li >< a class = "reference internal" href = "./inserters.html" id = "id1464" > Inserters</ a ></ li >
< li >< a class = "reference internal" href = "./iteration-algorithms.html" id = "id1468" > Iteration Algorithms</ a ></ li >
< li >< a class = "reference internal" href = "./querying-algorithms.html" id = "id1474" > Querying Algorithms</ a ></ li >
< li >< a class = "reference internal" href = "./transformation-algorithms.html" id = "id1485" > Transformation Algorithms</ a ></ li >
< li >< a class = "reference internal" href = "./runtime-algorithms.html" id = "id1508" > Runtime Algorithms</ a ></ li >
2004-11-28 03:35:12 +00:00
</ ul >
</ div >
< div class = "footer-separator" ></ div >
< table class = "footer" >< tr class = "footer" >< td class = "header-group navigation-bar" >< span class = "navigation-group" >< a href = "./iterator-category.html" class = "navigation-link" > Prev</ a > < a href = "./algorithms-concepts.html" class = "navigation-link" > Next</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./iterators.html" class = "navigation-link" > Back</ a > < a href = "./metafunctions.html" class = "navigation-link" > Along</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "../refmanual.html" class = "navigation-link" > Up</ a > < a href = "../refmanual.html" class = "navigation-link" > Home</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./refmanual_toc.html" class = "navigation-link" > Full TOC</ a ></ span ></ td >
2009-08-17 11:30:52 +00:00
< td >< div class = "copyright-footer" >< div class = "copyright" > Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams</ div >
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at < a class = "reference external" href = "http://www.boost.org/LICENSE_1_0.txt" target = "_top" > http://www.boost.org/LICENSE_1_0.txt</ a > )</ div ></ td ></ tr ></ table ></ body >
2004-11-28 03:35:12 +00:00
</ html >
