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: range_c</ title >
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< table class = "header" >< tr class = "header" >< td class = "header-group navigation-bar" >< span class = "navigation-group" >< a href = "./map.html" class = "navigation-link" > Prev</ a > < a href = "./vector-c.html" class = "navigation-link" > Next</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./map.html" class = "navigation-link" > Back</ a > < a href = "./vector-c.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 = "./range-c.html" class = "navigation-link" > range_c</ a ></ td >
</ tr ></ table >< div class = "header-separator" ></ div >
< div class = "section" id = "range-c" >
< h1 >< a class = "toc-backref" href = "./classes.html#id340" name = "range-c" > range_c</ a ></ h1 >
< div class = "section" id = "synopsis" >
< h3 >< a class = "subsection-title" href = "#synopsis" name = "synopsis" > Synopsis</ a ></ h3 >
< pre class = "literal-block" >
template<
typename T
, T Start
, T Finish
>
struct < a href = "./range-c.html" class = "identifier" > range_c</ a >
{
typedef < a href = "./integral-c.html" class = "identifier" > integral_c</ a > < T,Start> start;
typedef < a href = "./integral-c.html" class = "identifier" > integral_c</ a > < T,Finish> finish;
// < em > unspecified</ em >
// < em > ...</ em >
};
</ pre >
</ div >
< div class = "section" id = "range-description" >
< h3 >< a class = "subsection-title" href = "#description" name = "description" > Description</ a ></ h3 >
< p >< tt class = "literal" >< span class = "pre" >< a href = "./range-c.html" class = "identifier" > range_c</ a ></ span ></ tt > is a sorted < a class = "reference" href = "./random-access-sequence.html" > Random Access Sequence</ a > of < a class = "reference" href = "./integral-constant.html" > Integral Constant</ a > s. Note
that because it is not an < a class = "reference" href = "./extensible-sequence.html" > Extensible Sequence</ a > , sequence-building
intrinsic metafunctions such as < tt class = "literal" >< span class = "pre" >< a href = "./push-front.html" class = "identifier" > push_front</ a ></ span ></ tt > and transformation algorithms
such as < tt class = "literal" >< span class = "pre" >< a href = "./replace.html" class = "identifier" > replace</ a ></ span ></ tt > are not directly applicable — to be able to use
them, you'd first need to copy the content of the range into a more suitable
sequence.</ p >
</ div >
< div class = "section" id = "range-header" >
< h3 >< a class = "subsection-title" href = "#header" name = "header" > Header</ a ></ h3 >
< pre class = "literal-block" >
#include < < a href = "../../../../boost/mpl/range_c.hpp" class = "header" > boost/mpl/range_c.hpp</ a > >
</ pre >
</ div >
< div class = "section" id = "range-model-of" >
< h3 >< a class = "subsection-title" href = "#model-of" name = "model-of" > Model of</ a ></ h3 >
< p >< a class = "reference" href = "./random-access-sequence.html" > Random Access Sequence</ a ></ p >
</ div >
< div class = "section" id = "range-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" > r</ span ></ tt > is an instance of < tt class = "literal" >< span class = "pre" >< a href = "./range-c.html" class = "identifier" > range_c</ a ></ span ></ tt > , < tt class = "literal" >< span class = "pre" > n</ span ></ tt > is an < a class = "reference" href = "./integral-constant.html" > Integral Constant</ a > ,
< tt class = "literal" >< span class = "pre" > T</ span ></ tt > is an arbitrary integral type, and < tt class = "literal" >< span class = "pre" > n</ span ></ tt > and < tt class = "literal" >< span class = "pre" > m</ span ></ tt > are integral constant values of type < tt class = "literal" >< span class = "pre" > T</ span ></ tt > .</ p >
< table border = "1" class = "table" >
< colgroup >
< col width = "34%" />
< col width = "66%" />
</ colgroup >
< thead valign = "bottom" >
< tr >< th > Expression</ th >
< th > Semantics</ th >
</ tr >
</ thead >
< tbody valign = "top" >
< tr >< td >< pre class = "first last literal-block" >
< tt class = "literal" >< span class = "pre" >< a href = "./range-c.html" class = "identifier" > range_c</ a > < T,n,m> </ span ></ tt >
< tt class = "literal" >< span class = "pre" >< a href = "./range-c.html" class = "identifier" > range_c</ a > < T,n,m> ::type</ span ></ tt >
</ pre >
</ td >
< td > A sorted < a class = "reference" href = "./random-access-sequence.html" > Random Access Sequence</ a > of integral constant
wrappers for the half-open range of values [< tt class = "literal" >< span class = "pre" > n</ span ></ tt > ,
< tt class = "literal" >< span class = "pre" > m</ span ></ tt > ): < tt class = "literal" >< span class = "pre" >< a href = "./integral-c.html" class = "identifier" > integral_c</ a > < T,n> </ span ></ tt > , < tt class = "literal" >< span class = "pre" >< a href = "./integral-c.html" class = "identifier" > integral_c</ a > < T,n+1> </ span ></ tt > ,...
< tt class = "literal" >< span class = "pre" >< a href = "./integral-c.html" class = "identifier" > integral_c</ a > < T,m-1> </ span ></ tt > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./begin.html" class = "identifier" > begin</ a > < r> ::type</ span ></ tt ></ td >
< td > An iterator pointing to the beginning of < tt class = "literal" >< span class = "pre" > r</ 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 > < r> ::type</ span ></ tt ></ td >
< td > An iterator pointing to the end of < tt class = "literal" >< span class = "pre" > r</ 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 > < r> ::type</ span ></ tt ></ td >
< td > The size of < tt class = "literal" >< span class = "pre" > r</ 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 > < r> ::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 < tt class = "literal" >< span class = "pre" > r</ span ></ tt > 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 > < r> ::type</ span ></ tt ></ td >
< td > The first element in < tt class = "literal" >< span class = "pre" > r</ 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 > < r> ::type</ span ></ tt ></ td >
< td > The last element in < tt class = "literal" >< span class = "pre" > r</ 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 > < r,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" > r</ span ></ tt > ; see
< a class = "reference" href = "./random-access-sequence.html" > Random Access Sequence</ a > .</ td >
</ tr >
</ tbody >
</ table >
</ div >
< div class = "section" id = "range-example" >
< h3 >< a class = "subsection-title" href = "#example" name = "example" > Example</ a ></ h3 >
< pre class = "literal-block" >
typedef < a href = "./range-c.html" class = "identifier" > range_c</ a > < int,0,0> range0;
typedef < a href = "./range-c.html" class = "identifier" > range_c</ a > < int,0,1> range1;
typedef < a href = "./range-c.html" class = "identifier" > range_c</ a > < int,0,10> range10;
< a href = "./assert-relation.html" class = "identifier" > BOOST_MPL_ASSERT_RELATION</ a > ( < a href = "./size.html" class = "identifier" > size</ a > < range0> ::value, ==, 0 );
< a href = "./assert-relation.html" class = "identifier" > BOOST_MPL_ASSERT_RELATION</ a > ( < a href = "./size.html" class = "identifier" > size</ a > < range1> ::value, ==, 1 );
< a href = "./assert-relation.html" class = "identifier" > BOOST_MPL_ASSERT_RELATION</ a > ( < a href = "./size.html" class = "identifier" > size</ a > < range10> ::value, ==, 10 );
< a href = "./assert.html" class = "identifier" > BOOST_MPL_ASSERT</ a > (( < a href = "./empty.html" class = "identifier" > empty</ a > < range0> ));
< a href = "./assert-not.html" class = "identifier" > BOOST_MPL_ASSERT_NOT</ a > (( < a href = "./empty.html" class = "identifier" > empty</ a > < range1> ));
< a href = "./assert-not.html" class = "identifier" > BOOST_MPL_ASSERT_NOT</ a > (( < a href = "./empty.html" class = "identifier" > empty</ a > < range10> ));
< a href = "./assert.html" class = "identifier" > BOOST_MPL_ASSERT</ a > (( is_same< < a href = "./begin.html" class = "identifier" > begin</ a > < range0> ::type, < a href = "./end.html" class = "identifier" > end</ a > < range0> ::type > ));
< a href = "./assert-not.html" class = "identifier" > BOOST_MPL_ASSERT_NOT</ a > (( is_same< < a href = "./begin.html" class = "identifier" > begin</ a > < range1> ::type, < a href = "./end.html" class = "identifier" > end</ a > < range1> ::type > ));
< a href = "./assert-not.html" class = "identifier" > BOOST_MPL_ASSERT_NOT</ a > (( is_same< < a href = "./begin.html" class = "identifier" > begin</ a > < range10> ::type, < a href = "./end.html" class = "identifier" > end</ a > < range10> ::type > ));
< a href = "./assert-relation.html" class = "identifier" > BOOST_MPL_ASSERT_RELATION</ a > ( < a href = "./front.html" class = "identifier" > front</ a > < range1> ::type::value, ==, 0 );
< a href = "./assert-relation.html" class = "identifier" > BOOST_MPL_ASSERT_RELATION</ a > ( < a href = "./back.html" class = "identifier" > back</ a > < range1> ::type::value, ==, 0 );
< a href = "./assert-relation.html" class = "identifier" > BOOST_MPL_ASSERT_RELATION</ a > ( < a href = "./front.html" class = "identifier" > front</ a > < range10> ::type::value, ==, 0 );
< a href = "./assert-relation.html" class = "identifier" > BOOST_MPL_ASSERT_RELATION</ a > ( < a href = "./back.html" class = "identifier" > back</ a > < range10> ::type::value, ==, 9 );
</ pre >
</ div >
< div class = "section" id = "range-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 = "./random-access-sequence.html" > Random Access 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 = "./set-c.html" >< tt class = "refentry literal" >< span class = "pre" > set_c</ span ></ tt ></ a > , < a class = "refentry reference" href = "./list-c.html" >< tt class = "refentry literal" >< span class = "pre" > list_c</ span ></ tt ></ a ></ p >
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