2004-11-28 03:35:12 +00:00
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2004-11-28 03:35:12 +00:00
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< title > The MPL Reference Manual: vector</ title >
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< table class = "header" >< tr class = "header" >< td class = "header-group navigation-bar" >< span class = "navigation-group" >< a href = "./classes.html" class = "navigation-link" > Prev</ a > < a href = "./list.html" class = "navigation-link" > Next</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" > Back < a href = "./list.html" class = "navigation-link" > Along</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./classes.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 = "./sequences.html" class = "navigation-link" > Sequences</ a > / < a href = "./classes.html" class = "navigation-link" > Classes</ a > / < a href = "./vector.html" class = "navigation-link" > vector</ a ></ td >
</ tr ></ table >< div class = "header-separator" ></ div >
< div class = "section" id = "vector" >
< h1 >< a class = "toc-backref" href = "./classes.html#id335" name = "vector" > vector</ a ></ h1 >
< div class = "section" id = "vector-description" >
< h3 >< a class = "subsection-title" href = "#description" name = "description" > Description</ a ></ h3 >
< p >< tt class = "literal" >< span class = "pre" >< a href = "./vector.html" class = "identifier" > vector</ a ></ span ></ tt > is a < a class = "reference" href = "./variadic-sequence.html" > variadic</ a > , < a class = "reference" href = "./random-access-sequence.html" > random access</ a > , < a class = "reference" href = "./extensible-sequence.html" > extensible</ a > sequence of types that
supports constant-time insertion and removal of elements at both ends, and
linear-time insertion and removal of elements in the middle. On compilers that
support the < tt class = "literal" >< span class = "pre" > typeof</ span ></ tt > extension, < tt class = "literal" >< span class = "pre" >< a href = "./vector.html" class = "identifier" > vector</ a ></ span ></ tt > is the simplest and in many cases the
most efficient sequence.</ p >
</ div >
< div class = "section" id = "header" >
< h3 >< a class = "subsection-title" href = "#header" name = "header" > Header</ a ></ h3 >
< table border = "1" class = "table" >
< colgroup >
< col width = "26%" />
< col width = "74%" />
</ colgroup >
< thead valign = "bottom" >
< tr >< th > Sequence form</ th >
< th > Header</ th >
</ tr >
</ thead >
< tbody valign = "top" >
< tr >< td > Variadic</ td >
< td >< tt class = "literal" >< span class = "pre" > #include < < a href = "../../../../boost/mpl/vector.hpp" class = "header" > boost/mpl/vector.hpp</ a > > </ span ></ tt ></ td >
</ tr >
< tr >< td > Numbered</ td >
< td >< tt class = "literal" >< span class = "pre" > #include < boost/mpl/vector/vector</ span ></ tt >< em > n</ em >< tt class = "literal" >< span class = "pre" > .hpp> </ span ></ tt ></ td >
</ tr >
</ tbody >
</ table >
</ div >
< div class = "section" id = "model-of" >
< h3 >< a class = "subsection-title" href = "#model-of" name = "model-of" > Model of</ a ></ h3 >
< ul class = "simple" >
< li >< a class = "reference" href = "./variadic-sequence.html" > Variadic Sequence</ a ></ li >
< li >< a class = "reference" href = "./random-access-sequence.html" > Random Access Sequence</ a ></ li >
< li >< a class = "reference" href = "./extensible-sequence.html" > Extensible Sequence</ a ></ li >
< li >< a class = "reference" href = "./back-extensible-sequence.html" > Back Extensible Sequence</ a ></ li >
< li >< a class = "reference" href = "./front-extensible-sequence.html" > Front Extensible Sequence</ a ></ li >
</ ul >
</ div >
< div class = "section" id = "vector-expression-semantics" >
< h3 >< a class = "subsection-title" href = "#expression-semantics" name = "expression-semantics" > Expression semantics</ a ></ h3 >
< p > In the following table, < tt class = "literal" >< span class = "pre" > v</ span ></ tt > is an instance of < tt class = "literal" >< span class = "pre" >< a href = "./vector.html" class = "identifier" > vector</ a ></ span ></ tt > , < tt class = "literal" >< span class = "pre" > pos</ span ></ tt > and < tt class = "literal" >< span class = "pre" > last</ span ></ tt > are iterators
into < tt class = "literal" >< span class = "pre" > v</ span ></ tt > , < tt class = "literal" >< span class = "pre" > r</ span ></ tt > is a < a class = "reference" href = "./forward-sequence.html" > Forward Sequence</ a > , < tt class = "literal" >< span class = "pre" > n</ span ></ tt > is an < a class = "reference" href = "./integral-constant.html" > Integral Constant</ a > , and < tt class = "literal" >< span class = "pre" > x</ span ></ tt > and
< em > t</ em >< sub > 1</ sub > ,< em > t</ em >< sub > 2</ sub > ,... < em > t</ em >< sub > n</ sub > are arbitrary types.</ p >
< table border = "1" class = "table" >
< colgroup >
< col width = "40%" />
< col width = "60%" />
</ colgroup >
< thead valign = "bottom" >
< tr >< th > Expression</ th >
< th > Semantics</ th >
</ tr >
</ thead >
< tbody valign = "top" >
< tr >< td >< pre class = "first last literal-block" >
< a href = "./vector.html" class = "identifier" > vector</ a > < < em > t</ em >< sub > 1</ sub > ,< em > t</ em >< sub > 2</ sub > ,... < em > t</ em >< sub > n</ sub > >
< a href = "./vector.html" class = "identifier" > vector</ a >< em > n</ em > < < em > t</ em >< sub > 1</ sub > ,< em > t</ em >< sub > 2</ sub > ,... < em > t</ em >< sub > n</ sub > >
</ pre >
</ td >
< td >< tt class = "literal" >< span class = "pre" >< a href = "./vector.html" class = "identifier" > vector</ a ></ span ></ tt > of elements < em > t</ em >< sub > 1</ sub > ,< em > t</ em >< sub > 2</ sub > ,... < em > t</ em >< sub > n</ sub > ; see
< a class = "reference" href = "./variadic-sequence.html" > Variadic Sequence</ a > .</ td >
</ tr >
< tr >< td >< pre class = "first last literal-block" >
< a href = "./vector.html" class = "identifier" > vector</ a > < < em > t</ em >< sub > 1</ sub > ,< em > t</ em >< sub > 2</ sub > ,... < em > t</ em >< sub > n</ sub > > ::type
< a href = "./vector.html" class = "identifier" > vector</ a >< em > n</ em > < < em > t</ em >< sub > 1</ sub > ,< em > t</ em >< sub > 2</ sub > ,... < em > t</ em >< sub > n</ sub > > ::type
</ pre >
</ td >
< td > Identical to < tt class = "literal" >< span class = "pre" >< a href = "./vector.html" class = "identifier" > vector</ a ></ span ></ tt >< em > n</ em >< tt class = "literal" >< span class = "pre" > < </ span ></ tt >< em > t</ em >< sub > 1</ sub > ,< em > t</ em >< sub > 2</ sub > ,... < em > t</ em >< sub > n</ sub >< tt class = "literal" >< span class = "pre" > > </ span ></ tt > ;
see < a class = "reference" href = "./variadic-sequence.html" > Variadic Sequence</ a > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./begin.html" class = "identifier" > begin</ a > < v> ::type</ span ></ tt ></ td >
< td > An iterator pointing to the beginning of < tt class = "literal" >< span class = "pre" > v</ span ></ tt > ;
see < a class = "reference" href = "./random-access-sequence.html" > Random Access Sequence</ a > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./end.html" class = "identifier" > end</ a > < v> ::type</ span ></ tt ></ td >
< td > An iterator pointing to the end of < tt class = "literal" >< span class = "pre" > v</ span ></ tt > ;
see < a class = "reference" href = "./random-access-sequence.html" > Random Access Sequence</ a > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./size.html" class = "identifier" > size</ a > < v> ::type</ span ></ tt ></ td >
< td > The size of < tt class = "literal" >< span class = "pre" > v</ span ></ tt > ; see < a class = "reference" href = "./random-access-sequence.html" > Random Access Sequence</ a > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./empty.html" class = "identifier" > empty</ a > < v> ::type</ span ></ tt ></ td >
< td > A boolean < a class = "reference" href = "./integral-constant.html" > Integral Constant</ a > < tt class = "literal" >< span class = "pre" > c</ span ></ tt > such that
< tt class = "literal" >< span class = "pre" > c::value</ span > < span class = "pre" > ==</ span > < span class = "pre" > true</ span ></ tt > if and only if the sequence is empty;
see < a class = "reference" href = "./random-access-sequence.html" > Random Access Sequence</ a > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./front.html" class = "identifier" > front</ a > < v> ::type</ span ></ tt ></ td >
< td > The first element in < tt class = "literal" >< span class = "pre" > v</ span ></ tt > ; see
< a class = "reference" href = "./random-access-sequence.html" > Random Access Sequence</ a > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./back.html" class = "identifier" > back</ a > < v> ::type</ span ></ tt ></ td >
< td > The last element in < tt class = "literal" >< span class = "pre" > v</ span ></ tt > ; see
< a class = "reference" href = "./random-access-sequence.html" > Random Access Sequence</ a > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./at.html" class = "identifier" > at</ a > < v,n> ::type</ span ></ tt ></ td >
< td > The < tt class = "literal" >< span class = "pre" > n</ span ></ tt > th element from the beginning of < tt class = "literal" >< span class = "pre" > v</ span ></ tt > ; see
< a class = "reference" href = "./random-access-sequence.html" > Random Access Sequence</ a > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./insert.html" class = "identifier" > insert</ a > < v,pos,x> ::type</ span ></ tt ></ td >
< td > A new < tt class = "literal" >< span class = "pre" >< a href = "./vector.html" class = "identifier" > vector</ a ></ span ></ tt > of following elements:
[< tt class = "literal" >< span class = "pre" >< a href = "./begin.html" class = "identifier" > begin</ a > < v> ::type</ span ></ tt > , < tt class = "literal" >< span class = "pre" > pos</ span ></ tt > ), < tt class = "literal" >< span class = "pre" > x</ span ></ tt > ,
[< tt class = "literal" >< span class = "pre" > pos</ span ></ tt > , < tt class = "literal" >< span class = "pre" >< a href = "./end.html" class = "identifier" > end</ a > < v> ::type</ span ></ tt > ); see < a class = "reference" href = "./extensible-sequence.html" > Extensible Sequence</ a > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./insert-range.html" class = "identifier" > insert_range</ a > < v,pos,r> ::type</ span ></ tt ></ td >
< td > A new < tt class = "literal" >< span class = "pre" >< a href = "./vector.html" class = "identifier" > vector</ a ></ span ></ tt > of following elements:
[< tt class = "literal" >< span class = "pre" >< a href = "./begin.html" class = "identifier" > begin</ a > < v> ::type</ span ></ tt > , < tt class = "literal" >< span class = "pre" > pos</ span ></ tt > ),
[< tt class = "literal" >< span class = "pre" >< a href = "./begin.html" class = "identifier" > begin</ a > < r> ::type</ span ></ tt > , < tt class = "literal" >< span class = "pre" >< a href = "./end.html" class = "identifier" > end</ a > < r> ::type</ span ></ tt > )
[< tt class = "literal" >< span class = "pre" > pos</ span ></ tt > , < tt class = "literal" >< span class = "pre" >< a href = "./end.html" class = "identifier" > end</ a > < v> ::type</ span ></ tt > ); see < a class = "reference" href = "./extensible-sequence.html" > Extensible Sequence</ a > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./erase.html" class = "identifier" > erase</ a > < v,pos> ::type</ span ></ tt ></ td >
< td > A new < tt class = "literal" >< span class = "pre" >< a href = "./vector.html" class = "identifier" > vector</ a ></ span ></ tt > of following elements:
[< tt class = "literal" >< span class = "pre" >< a href = "./begin.html" class = "identifier" > begin</ a > < v> ::type</ span ></ tt > , < tt class = "literal" >< span class = "pre" > pos</ span ></ tt > ),
[< tt class = "literal" >< span class = "pre" >< a href = "./next.html" class = "identifier" > next</ a > < pos> ::type</ span ></ tt > , < tt class = "literal" >< span class = "pre" >< a href = "./end.html" class = "identifier" > end</ a > < v> ::type</ span ></ tt > ); see
< a class = "reference" href = "./extensible-sequence.html" > Extensible Sequence</ a > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./erase.html" class = "identifier" > erase</ a > < v,pos,last> ::type</ span ></ tt ></ td >
< td > A new < tt class = "literal" >< span class = "pre" >< a href = "./vector.html" class = "identifier" > vector</ a ></ span ></ tt > of following elements:
[< tt class = "literal" >< span class = "pre" >< a href = "./begin.html" class = "identifier" > begin</ a > < v> ::type</ span ></ tt > , < tt class = "literal" >< span class = "pre" > pos</ span ></ tt > ),
[< tt class = "literal" >< span class = "pre" > last</ span ></ tt > , < tt class = "literal" >< span class = "pre" >< a href = "./end.html" class = "identifier" > end</ a > < v> ::type</ span ></ tt > ); see < a class = "reference" href = "./extensible-sequence.html" > Extensible Sequence</ a > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./clear.html" class = "identifier" > clear</ a > < v> ::type</ span ></ tt ></ td >
< td > An empty < tt class = "literal" >< span class = "pre" >< a href = "./vector.html" class = "identifier" > vector</ a ></ span ></ tt > ; see < a class = "reference" href = "./extensible-sequence.html" > Extensible Sequence</ a > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./push-back.html" class = "identifier" > push_back</ a > < v,x> ::type</ span ></ tt ></ td >
< td > A new < tt class = "literal" >< span class = "pre" >< a href = "./vector.html" class = "identifier" > vector</ a ></ span ></ tt > of following elements:
[< tt class = "literal" >< span class = "pre" >< a href = "./begin.html" class = "identifier" > begin</ a > < v> ::type</ span ></ tt > , < tt class = "literal" >< span class = "pre" >< a href = "./end.html" class = "identifier" > end</ a > < v> ::type</ span ></ tt > ), < tt class = "literal" >< span class = "pre" > x</ span ></ tt > ;
see < a class = "reference" href = "./back-extensible-sequence.html" > Back Extensible Sequence</ a > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./pop-back.html" class = "identifier" > pop_back</ a > < v> ::type</ span ></ tt ></ td >
< td > A new < tt class = "literal" >< span class = "pre" >< a href = "./vector.html" class = "identifier" > vector</ a ></ span ></ tt > of following elements:
[< tt class = "literal" >< span class = "pre" >< a href = "./begin.html" class = "identifier" > begin</ a > < v> ::type</ span ></ tt > , < tt class = "literal" >< span class = "pre" >< a href = "./prior.html" class = "identifier" > prior</ a > < </ span > < span class = "pre" >< a href = "./end.html" class = "identifier" > end</ a > < v> ::type</ span > < span class = "pre" > > ::type</ span ></ tt > );
see < a class = "reference" href = "./back-extensible-sequence.html" > Back Extensible Sequence</ a > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./push-front.html" class = "identifier" > push_front</ a > < v,x> ::type</ span ></ tt ></ td >
< td > A new < tt class = "literal" >< span class = "pre" >< a href = "./vector.html" class = "identifier" > vector</ a ></ span ></ tt > of following elements:
[< tt class = "literal" >< span class = "pre" >< a href = "./begin.html" class = "identifier" > begin</ a > < v> ::type</ span ></ tt > , < tt class = "literal" >< span class = "pre" >< a href = "./end.html" class = "identifier" > end</ a > < v> ::type</ span ></ tt > ), < tt class = "literal" >< span class = "pre" > x</ span ></ tt > ; see < a class = "reference" href = "./front-extensible-sequence.html" > Front Extensible Sequence</ a > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./pop-front.html" class = "identifier" > pop_front</ a > < v> ::type</ span ></ tt ></ td >
< td > A new < tt class = "literal" >< span class = "pre" >< a href = "./vector.html" class = "identifier" > vector</ a ></ span ></ tt > of following elements:
[< tt class = "literal" >< span class = "pre" >< a href = "./next.html" class = "identifier" > next</ a > < </ span > < span class = "pre" >< a href = "./begin.html" class = "identifier" > begin</ a > < v> ::type</ span > < span class = "pre" > > ::type</ span ></ tt > , < tt class = "literal" >< span class = "pre" >< a href = "./end.html" class = "identifier" > end</ a > < v> ::type</ span ></ tt > );
see < a class = "reference" href = "./front-extensible-sequence.html" > Front Extensible Sequence</ a > .</ td >
</ tr >
</ tbody >
</ table >
</ div >
< div class = "section" id = "example" >
< h3 >< a class = "subsection-title" href = "#example" name = "example" > Example</ a ></ h3 >
< pre class = "literal-block" >
typedef < a href = "./vector.html" class = "identifier" > vector</ a > < float,double,long double> floats;
typedef < a href = "./push-back.html" class = "identifier" > push_back</ a > < floats,int> ::type types;
< a href = "./assert.html" class = "identifier" > BOOST_MPL_ASSERT</ a > (( is_same< < a href = "./at-c.html" class = "identifier" > at_c</ a > < types,3> ::type, int > ));
</ pre >
</ div >
< div class = "section" id = "vector-see-also" >
< h3 >< a class = "subsection-title" href = "#see-also" name = "see-also" > See also</ a ></ h3 >
< p >< a class = "reference" href = "./sequences.html" > Sequences</ a > , < a class = "reference" href = "./variadic-sequence.html" > Variadic Sequence</ a > , < a class = "reference" href = "./random-access-sequence.html" > Random Access Sequence</ a > , < a class = "reference" href = "./extensible-sequence.html" > Extensible Sequence</ a > , < a class = "refentry reference" href = "./vector-c.html" >< tt class = "refentry literal" >< span class = "pre" > vector_c</ span ></ tt ></ a > , < a class = "refentry reference" href = "./list.html" >< tt class = "refentry literal" >< span class = "pre" > list</ span ></ tt ></ a ></ p >
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