forked from boostorg/mpl
Added libs/mpl
[SVN r15384]
This commit is contained in:
+115
@@ -0,0 +1,115 @@
|
||||
//-----------------------------------------------------------------------------
|
||||
// boost mpl/test/apply.cpp source file
|
||||
// See http://www.boost.org for updates, documentation, and revision history.
|
||||
//-----------------------------------------------------------------------------
|
||||
//
|
||||
// Copyright (c) 2000-02
|
||||
// Aleksey Gurtovoy
|
||||
//
|
||||
// Permission to use, copy, modify, distribute and sell this software
|
||||
// and its documentation for any purpose is hereby granted without fee,
|
||||
// provided that the above copyright notice appears in all copies and
|
||||
// that both the copyright notice and this permission notice appear in
|
||||
// supporting documentation. No representations are made about the
|
||||
// suitability of this software for any purpose. It is provided "as is"
|
||||
// without express or implied warranty.
|
||||
|
||||
#include "boost/mpl/apply.hpp"
|
||||
#include "boost/mpl/assert_is_same.hpp"
|
||||
#include "boost/mpl/limits/arity.hpp"
|
||||
#include "boost/mpl/aux_/preprocessor/params.hpp"
|
||||
#include "boost/mpl/aux_/preprocessor/enum.hpp"
|
||||
#include "boost/mpl/aux_/preprocessor/project1st.hpp"
|
||||
|
||||
#include "boost/preprocessor/repeat_2nd.hpp"
|
||||
#include "boost/preprocessor/comma_if.hpp"
|
||||
#include "boost/preprocessor/dec.hpp"
|
||||
#include "boost/preprocessor/if.hpp"
|
||||
#include "boost/preprocessor/cat.hpp"
|
||||
|
||||
namespace mpl = boost::mpl;
|
||||
|
||||
#define APPLY_0_FUNC_DEF(i) \
|
||||
struct f0 { typedef char type; }; \
|
||||
/**/
|
||||
|
||||
#define APPLY_N_FUNC_DEF(i) \
|
||||
struct first##i \
|
||||
{ \
|
||||
template< BOOST_MPL_PP_PARAMS(i, typename U) > \
|
||||
struct apply { typedef U1 type; }; \
|
||||
}; \
|
||||
\
|
||||
struct last##i \
|
||||
{ \
|
||||
template< BOOST_MPL_PP_PARAMS(i, typename U) > \
|
||||
struct apply { typedef BOOST_PP_CAT(U,i) type; }; \
|
||||
}; \
|
||||
/**/
|
||||
|
||||
#define APPLY_FUNC_DEF(z, i, unused) \
|
||||
BOOST_PP_IF( \
|
||||
i \
|
||||
, APPLY_N_FUNC_DEF \
|
||||
, APPLY_0_FUNC_DEF \
|
||||
)(i) \
|
||||
/**/
|
||||
|
||||
namespace aux {
|
||||
BOOST_PP_REPEAT_2ND(
|
||||
BOOST_MPL_METAFUNCTION_MAX_ARITY
|
||||
, APPLY_FUNC_DEF
|
||||
, unused
|
||||
)
|
||||
}
|
||||
|
||||
#define APPLY_0_TEST(i, apply_) \
|
||||
typedef mpl::apply_<aux::f##i>::type t; \
|
||||
{ BOOST_MPL_ASSERT_IS_SAME(t, char); } \
|
||||
/**/
|
||||
|
||||
#define APPLY_N_TEST(i, apply_) \
|
||||
typedef mpl::apply_< \
|
||||
aux::first##i \
|
||||
, char \
|
||||
BOOST_PP_COMMA_IF(BOOST_PP_DEC(i)) \
|
||||
BOOST_MPL_PP_ENUM(BOOST_PP_DEC(i), int) \
|
||||
>::type t1; \
|
||||
\
|
||||
typedef mpl::apply_< \
|
||||
aux::last##i \
|
||||
, BOOST_MPL_PP_ENUM(BOOST_PP_DEC(i), int) \
|
||||
BOOST_PP_COMMA_IF(BOOST_PP_DEC(i)) char \
|
||||
>::type t2; \
|
||||
{ BOOST_MPL_ASSERT_IS_SAME(t1, char); } \
|
||||
{ BOOST_MPL_ASSERT_IS_SAME(t2, char); } \
|
||||
/**/
|
||||
|
||||
#define APPLY_TEST(z, i, APPLY_NAME) \
|
||||
BOOST_PP_IF( \
|
||||
i \
|
||||
, APPLY_N_TEST \
|
||||
, APPLY_0_TEST \
|
||||
)(i, APPLY_NAME(i)) \
|
||||
/**/
|
||||
|
||||
#define MAKE_APPLY_N_NAME(i) apply##i
|
||||
#define MAKE_APPLY_NAME(i) apply
|
||||
|
||||
int main()
|
||||
{
|
||||
BOOST_PP_REPEAT_2ND(
|
||||
BOOST_MPL_METAFUNCTION_MAX_ARITY
|
||||
, APPLY_TEST
|
||||
, MAKE_APPLY_N_NAME
|
||||
)
|
||||
|
||||
#if defined(BOOST_MPL_HAS_APPLY)
|
||||
BOOST_PP_REPEAT_2ND(
|
||||
BOOST_MPL_METAFUNCTION_MAX_ARITY
|
||||
, APPLY_TEST
|
||||
, MAKE_APPLY_NAME
|
||||
)
|
||||
#endif
|
||||
return 0;
|
||||
}
|
||||
Reference in New Issue
Block a user