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lambda2 example tweaks

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[SVN r16311]
This commit is contained in:
Aleksey Gurtovoy
2002-11-18 10:45:08 +00:00
parent e24cd44527
commit bfece23156
1 changed files with 18 additions and 6 deletions
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24
example/lambda2.cpp
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@@ -16,7 +16,8 @@
#include "boost/mpl/v2_1.hpp" #include "boost/mpl/v2_1.hpp"
#include "boost/mpl/logical/and.hpp" #include "boost/mpl/logical/not.hpp"
#include "boost/mpl/logical/or.hpp"
#include "boost/mpl/comparison/less.hpp" #include "boost/mpl/comparison/less.hpp"
#include "boost/mpl/comparison/equal_to.hpp" #include "boost/mpl/comparison/equal_to.hpp"
#include "boost/mpl/arithmetic/multiplies.hpp" #include "boost/mpl/arithmetic/multiplies.hpp"
@@ -42,16 +43,27 @@ typedef eval<
list(int,char,long,int) list(int,char,long,int)
, lambda(is_same(_,int)) , lambda(is_same(_,int))
) )
>::type r2; >::type res;
BOOST_STATIC_ASSERT(r2::value == 2); BOOST_STATIC_ASSERT(res::value == 2);
typedef eval< typedef eval<
find_if( find_if(
filter_view(list(int,char,long,double), lambda(is_float(_))) filter_view(
, lambda( and_( is_same(_,int), less(sizeof_(_),sizeof_(double)) ) ) list(int,float,char,long,double)
, lambda(not_(is_float(_)))
)
, lambda( or_(
is_same(_,short)
, less(sizeof_(_),sizeof_(int))
) )
) )
>::type t2; >::type iter;
typedef eval< is_same(iter::type,char) >::type res2;
BOOST_STATIC_ASSERT(res2::value);
METAFUNCTION(factorial, (N) METAFUNCTION(factorial, (N)