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: insert</ title >
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< table class = "header" >< tr class = "header" >< td class = "header-group navigation-bar" >< span class = "navigation-group" >< a href = "./has-key.html" class = "navigation-link" > Prev</ a > < a href = "./insert-range.html" class = "navigation-link" > Next</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./has-key.html" class = "navigation-link" > Back</ a > < a href = "./insert-range.html" class = "navigation-link" > Along</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./intrinsic-metafunctions.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 = "./intrinsic-metafunctions.html" class = "navigation-link" > Intrinsic Metafunctions</ a > / < a href = "./insert.html" class = "navigation-link" > insert</ a ></ td >
</ tr ></ table >< div class = "header-separator" ></ div >
< div class = "section" id = "insert" >
< h1 >< a class = "toc-backref" href = "./intrinsic-metafunctions.html#id364" name = "insert" > insert</ a ></ h1 >
< div class = "section" id = "insert-synopsis" >
< h3 >< a class = "subsection-title" href = "#synopsis" name = "synopsis" > Synopsis</ a ></ h3 >
< pre class = "literal-block" >
template<
typename Sequence
, typename Pos
, typename T
>
struct < a href = "./insert.html" class = "identifier" > insert</ a >
{
typedef < em > unspecified</ em > type;
};
template<
typename Sequence
, typename T
>
struct < a href = "./insert.html" class = "identifier" > insert</ a >
{
typedef < em > unspecified</ em > type;
};
</ pre >
</ div >
< div class = "section" id = "insert-description" >
< h3 >< a class = "subsection-title" href = "#description" name = "description" > Description</ a ></ h3 >
< p >< tt class = "literal" >< span class = "pre" >< a href = "./insert.html" class = "identifier" > insert</ a ></ span ></ tt > is an < a class = "reference" href = "./terminology.html#overloaded-name" > overloaded name</ a > :</ p >
< ul class = "simple" >
< li >< tt class = "literal" >< span class = "pre" >< a href = "./insert.html" class = "identifier" > insert</ a > < Sequence,Pos,T> </ span ></ tt > performs an insertion of
type < tt class = "literal" >< span class = "pre" > T</ span ></ tt > at an arbitrary position < tt class = "literal" >< span class = "pre" > Pos</ span ></ tt > in < tt class = "literal" >< span class = "pre" > Sequence</ span ></ tt > . < tt class = "literal" >< span class = "pre" > Pos</ span ></ tt > is ignored is
< tt class = "literal" >< span class = "pre" > Sequence</ span ></ tt > is a model of < a class = "reference" href = "./extensible-associative.html" > Extensible Associative Sequence</ a > .</ li >
< li >< tt class = "literal" >< span class = "pre" >< a href = "./insert.html" class = "identifier" > insert</ a > < Sequence,T> </ span ></ tt > is a shortcut notation for < tt class = "literal" >< span class = "pre" >< a href = "./insert.html" class = "identifier" > insert</ a > < Sequence,Pos,T> </ span ></ tt > for the
case when < tt class = "literal" >< span class = "pre" > Sequence</ span ></ tt > is a model of < a class = "reference" href = "./extensible-associative.html" > Extensible Associative Sequence</ a > .</ li >
</ ul >
</ div >
< div class = "section" id = "insert-header" >
< h3 >< a class = "subsection-title" href = "#header" name = "header" > Header</ a ></ h3 >
< pre class = "literal-block" >
#include < < a href = "../../../../boost/mpl/insert.hpp" class = "header" > boost/mpl/insert.hpp</ a > >
</ pre >
</ div >
< div class = "section" id = "insert-model-of" >
< h3 >< a class = "subsection-title" href = "#model-of" name = "model-of" > Model of</ a ></ h3 >
< p >< a class = "reference" href = "./tag-dispatched.html" > Tag Dispatched Metafunction</ a ></ p >
</ div >
< div class = "section" id = "insert-parameters" >
< h3 >< a class = "subsection-title" href = "#parameters" name = "parameters" > Parameters</ a ></ h3 >
< table border = "1" class = "table" >
< colgroup >
< col width = "15%" />
< col width = "36%" />
< col width = "48%" />
</ colgroup >
< thead valign = "bottom" >
< tr >< th > Parameter</ th >
< th > Requirement</ th >
< th > Description</ th >
</ tr >
</ thead >
< tbody valign = "top" >
< tr >< td >< tt class = "literal" >< span class = "pre" > Sequence</ span ></ tt ></ td >
< td >< a class = "reference" href = "./extensible-sequence.html" > Extensible Sequence</ a > or
< a class = "reference" href = "./extensible-associative.html" > Extensible Associative Sequence</ a ></ td >
< td > A sequence to insert into.</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" > Pos</ span ></ tt ></ td >
< td >< a class = "reference" href = "./forward-iterator.html" > Forward Iterator</ a ></ td >
< td > An iterator in < tt class = "literal" >< span class = "pre" > Sequence</ span ></ tt > specifying the
insertion position.</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" > T</ span ></ tt ></ td >
< td > Any type</ td >
< td > The element to be inserted.</ td >
</ tr >
</ tbody >
</ table >
</ div >
< div class = "section" id = "insert-expression-semantics" >
< h3 >< a class = "subsection-title" href = "#expression-semantics" name = "expression-semantics" > Expression semantics</ a ></ h3 >
< div class = "expression-semantics compound" >
< p class = "compound-first" > For any < a class = "reference" href = "./extensible-sequence.html" > Extensible Sequence</ a > < tt class = "literal" >< span class = "pre" > s</ span ></ tt > , iterator < tt class = "literal" >< span class = "pre" > pos</ span ></ tt > in < tt class = "literal" >< span class = "pre" > s</ span ></ tt > , and arbitrary type < tt class = "literal" >< span class = "pre" > x</ span ></ tt > :</ p >
< pre class = "compound-middle literal-block" >
typedef < a href = "./insert.html" class = "identifier" > insert</ a > < s,pos,x> ::type r;
</ pre >
< table class = "compound-last field-list" frame = "void" rules = "none" >
< col class = "field-name" />
< col class = "field-body" />
< tbody valign = "top" >
< tr class = "field" >< th class = "field-name" > Return type:</ th >< td class = "field-body" >< a class = "reference" href = "./extensible-sequence.html" > Extensible Sequence</ a ></ td >
</ tr >
< tr class = "field" >< th class = "field-name" > Precondition:</ th >< td class = "field-body" >< tt class = "literal" >< span class = "pre" > pos</ span ></ tt > is an iterator in < tt class = "literal" >< span class = "pre" > s</ span ></ tt > .</ td >
</ tr >
< tr class = "field" >< th class = "field-name" > Semantics:</ th >< td class = "field-body" >< tt class = "literal" >< span class = "pre" > r</ span ></ tt > is a sequence, < a class = "reference" href = "./terminology.html#concept-identical" > concept-identical</ a > to < tt class = "literal" >< span class = "pre" > s</ span ></ tt > , of the following elements:
[< tt class = "literal" >< span class = "pre" >< a href = "./begin.html" class = "identifier" > begin</ a > < s> ::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 > < s> ::type</ span ></ tt > ).</ td >
</ tr >
< tr class = "field" >< th class = "field-name" > Postcondition:</ th >< td class = "field-body" >< p class = "first" > The relative order of the elements in < tt class = "literal" >< span class = "pre" > r</ span ></ tt > is the same as in < tt class = "literal" >< span class = "pre" > s</ span ></ tt > .</ p >
< pre class = "literal-block" >
< a href = "./at.html" class = "identifier" > at</ a > < r, < a href = "./distance.html" class = "identifier" > distance</ a > < < a href = "./begin.html" class = "identifier" > begin</ a > < s> ::type,pos > ::type > ::type
</ pre >
< p > is identical to < tt class = "literal" >< span class = "pre" > x</ span ></ tt > ;</ p >
< pre class = "last literal-block" >
< a href = "./size.html" class = "identifier" > size</ a > < r> ::value == < a href = "./size.html" class = "identifier" > size</ a > < s> ::value + 1;
</ pre >
</ td >
</ tr >
</ tbody >
</ table >
</ div >
< div class = "expression-semantics compound" >
< p class = "compound-first" > For any < a class = "reference" href = "./extensible-associative.html" > Extensible Associative Sequence</ a > < tt class = "literal" >< span class = "pre" > s</ span ></ tt > , iterator < tt class = "literal" >< span class = "pre" > pos</ span ></ tt > in < tt class = "literal" >< span class = "pre" > s</ span ></ tt > ,
and arbitrary type < tt class = "literal" >< span class = "pre" > x</ span ></ tt > :</ p >
< pre class = "compound-middle literal-block" >
typedef < a href = "./insert.html" class = "identifier" > insert</ a > < s,x> ::type r;
</ pre >
< table class = "compound-middle field-list" frame = "void" rules = "none" >
< col class = "field-name" />
< col class = "field-body" />
< tbody valign = "top" >
< tr class = "field" >< th class = "field-name" > Return type:</ th >< td class = "field-body" >< a class = "reference" href = "./extensible-associative.html" > Extensible Associative Sequence</ a ></ td >
</ tr >
< tr class = "field" >< th class = "field-name" > Semantics:</ th >< td class = "field-body" >< tt class = "literal" >< span class = "pre" > r</ span ></ tt > is < a class = "reference" href = "./terminology.html#concept-identical" > concept-identical</ a > and equivalent to < tt class = "literal" >< span class = "pre" > s</ span ></ tt > , except that
< tt class = "literal" >< span class = "pre" >< a href = "./at.html" class = "identifier" > at</ a > < </ span > < span class = "pre" > r,</ span > < span class = "pre" >< a href = "./key-type.html" class = "identifier" > key_type</ a > < s,x> ::type</ span > < span class = "pre" > > ::type</ span ></ tt > is identical to < tt class = "literal" >< span class = "pre" >< a href = "./value-type.html" class = "identifier" > value_type</ a > < s,x> ::type</ span ></ tt > .</ td >
</ tr >
< tr class = "field" >< th class = "field-name" > Postcondition:</ th >< td class = "field-body" >< tt class = "literal" >< span class = "pre" >< a href = "./size.html" class = "identifier" > size</ a > < r> ::value</ span > < span class = "pre" > ==</ span > < span class = "pre" >< a href = "./size.html" class = "identifier" > size</ a > < s> ::value</ span > < span class = "pre" > +</ span > < span class = "pre" > 1</ span ></ tt > .</ td >
</ tr >
</ tbody >
</ table >
<!-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -->
< pre class = "compound-middle literal-block" >
typedef < a href = "./insert.html" class = "identifier" > insert</ a > < s,pos,x> ::type r;
</ pre >
< table class = "compound-last field-list" frame = "void" rules = "none" >
< col class = "field-name" />
< col class = "field-body" />
< tbody valign = "top" >
< tr class = "field" >< th class = "field-name" > Return type:</ th >< td class = "field-body" >< a class = "reference" href = "./extensible-associative.html" > Extensible Associative Sequence</ a ></ td >
</ tr >
< tr class = "field" >< th class = "field-name" > Precondition:</ th >< td class = "field-body" >< tt class = "literal" >< span class = "pre" > pos</ span ></ tt > is an iterator in < tt class = "literal" >< span class = "pre" > s</ span ></ tt > .</ td >
</ tr >
< tr class = "field" >< th class = "field-name" > Semantics:</ th >< td class = "field-body" > Equivalent to < tt class = "literal" >< span class = "pre" > typedef</ span > < span class = "pre" >< a href = "./insert.html" class = "identifier" > insert</ a > < s,x> ::type</ span > < span class = "pre" > r</ span ></ tt > ; < tt class = "literal" >< span class = "pre" > pos</ span ></ tt > is ignored.</ td >
</ tr >
</ tbody >
</ table >
</ div >
</ div >
< div class = "section" id = "insert-complexity" >
< h3 >< a class = "subsection-title" href = "#complexity" name = "complexity" > Complexity</ a ></ h3 >
< table border = "1" class = "table" >
< colgroup >
< col width = "45%" />
< col width = "55%" />
</ colgroup >
< thead valign = "bottom" >
< tr >< th > Sequence archetype</ th >
< th > Complexity</ th >
</ tr >
</ thead >
< tbody valign = "top" >
< tr >< td >< a class = "reference" href = "./extensible-associative.html" > Extensible Associative Sequence</ a ></ td >
< td > Amortized constant time.</ td >
</ tr >
< tr >< td >< a class = "reference" href = "./extensible-sequence.html" > Extensible Sequence</ a ></ td >
< td > Linear in the worst case, or amortized
constant time.</ td >
</ tr >
</ tbody >
</ table >
</ div >
< div class = "section" id = "insert-example" >
< h3 >< a class = "subsection-title" href = "#example" name = "example" > Example</ a ></ h3 >
< pre class = "literal-block" >
typedef < a href = "./vector-c.html" class = "identifier" > vector_c</ a > < int,0,1,3,4,5,6,7,8,9> numbers;
typedef < a href = "./find.html" class = "identifier" > find</ a > < numbers,< a href = "./integral-c.html" class = "identifier" > integral_c</ a > < int,3> > ::type pos;
typedef < a href = "./insert.html" class = "identifier" > insert</ a > < numbers,pos,< a href = "./integral-c.html" class = "identifier" > integral_c</ a > < int,2> > ::type range;
< a href = "./assert-relation.html" class = "identifier" > BOOST_MPL_ASSERT_RELATION</ a > ( < a href = "./size.html" class = "identifier" > size</ a > < range> ::value, ==, 10 );
< a href = "./assert.html" class = "identifier" > BOOST_MPL_ASSERT</ a > (( < a href = "./equal.html" class = "identifier" > equal</ a > < range,< a href = "./range-c.html" class = "identifier" > range_c</ a > < int,0,10> > ));
</ pre >
< pre class = "literal-block" >
typedef < a href = "./map.html" class = "identifier" > map</ a > < mpl::< a href = "./pair.html" class = "identifier" > pair</ a > < int,unsigned> > m;
typedef < a href = "./insert.html" class = "identifier" > insert</ a > < m,mpl::< a href = "./pair.html" class = "identifier" > pair</ a > < char,long> > ::type m1;
< a href = "./assert-relation.html" class = "identifier" > BOOST_MPL_ASSERT_RELATION</ a > ( < a href = "./size.html" class = "identifier" > size</ a > < m1> ::value, ==, 2 );
< a href = "./assert.html" class = "identifier" > BOOST_MPL_ASSERT</ a > (( is_same< < a href = "./at.html" class = "identifier" > at</ a > < m1,int> ::type,unsigned > ));
< a href = "./assert.html" class = "identifier" > BOOST_MPL_ASSERT</ a > (( is_same< < a href = "./at.html" class = "identifier" > at</ a > < m1,char> ::type,long > ));
</ pre >
</ div >
< div class = "section" id = "insert-see-also" >
< h3 >< a class = "subsection-title" href = "#see-also" name = "see-also" > See also</ a ></ h3 >
< p >< a class = "reference" href = "./extensible-sequence.html" > Extensible Sequence</ a > , < a class = "reference" href = "./extensible-associative.html" > Extensible Associative Sequence</ a > , < a class = "refentry reference" href = "./insert-range.html" >< tt class = "refentry literal" >< span class = "pre" > insert_range</ span ></ tt ></ a > , < a class = "refentry reference" href = "./push-front.html" >< tt class = "refentry literal" >< span class = "pre" > push_front</ span ></ tt ></ a > , < a class = "refentry reference" href = "./push-back.html" >< tt class = "refentry literal" >< span class = "pre" > push_back</ span ></ tt ></ a > , < a class = "refentry reference" href = "./erase.html" >< tt class = "refentry literal" >< span class = "pre" > erase</ span ></ tt ></ a ></ p >
<!-- modtime: November 10, 2004 04:40:08 +0000 -->
<!-- Sequences/Intrinsic Metafunctions//insert_range -->
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< table class = "footer" >< tr class = "footer" >< td class = "header-group navigation-bar" >< span class = "navigation-group" >< a href = "./has-key.html" class = "navigation-link" > Prev</ a > < a href = "./insert-range.html" class = "navigation-link" > Next</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./has-key.html" class = "navigation-link" > Back</ a > < a href = "./insert-range.html" class = "navigation-link" > Along</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./intrinsic-metafunctions.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 >
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