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Added a simple example on using BOOST_PP_LIST_FOR_EACH()

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[SVN r12541]
This commit is contained in:
Vesa Karvonen
2002-01-29 08:37:56 +00:00
parent 2c352e415d
commit 318494b610
4 changed files with 41 additions and 3 deletions
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2
example/array_arithmetic.c
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@ -1,4 +1,4 @@
/* Copyright (C) 2001
/* Copyright (C) 2002
* Housemarque Oy
* http://www.housemarque.com
*

2
example/array_arithmetic_helpers.hpp
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@ -1,7 +1,7 @@
#ifndef BOOST_LIBS_PREPROCESSOR_EXAMPLE_ARRAY_ARITHMETIC_HELPERS_HPP
#define BOOST_LIBS_PREPROCESSOR_EXAMPLE_ARRAY_ARITHMETIC_HELPERS_HPP
// Copyright (C) 2001
// Copyright (C) 2002
// Housemarque Oy
// http://www.housemarque.com
//

2
example/delay.cpp
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@ -1,4 +1,4 @@
// Copyright (C) 2001
// Copyright (C) 2002
// Housemarque Oy
// http://www.housemarque.com
//

38
example/is_integral.cpp Normal file
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// Copyright (C) 2002
// Housemarque Oy
// http://www.housemarque.com
//
// Permission to copy, use, modify, sell and distribute this software is
// granted provided this copyright notice appears in all copies. This
// software is provided "as is" without express or implied warranty, and
// with no claim as to its suitability for any purpose.
// See http://www.boost.org for most recent version.
#include <boost/preprocessor/list/for_each.hpp>
#include <boost/preprocessor/tuple/to_list.hpp>
// This is a list of integral types. Strictly speaking the following list
// does not include all integral types, because some compilers do not yet
// recognize all standard C++ integral types.
#define INTEGRAL_TYPES\
BOOST_PP_TUPLE_TO_LIST\
( 9\
, ( char, signed char, unsigned char,\
short, unsigned short,\
int, unsigned int,\
long, unsigned long )\
)
// This is a template for testing is a type is an integral type.
template<class T> struct is_integral {static const bool value = false;};
#define INTEGRAL_TYPE_SPECIALIZATION(R,_,T)\
template<> struct is_integral<T> {static const bool value = true;};\
template<> struct is_integral<const T> {static const bool value = true;};\
template<> struct is_integral<volatile T> {static const bool value = true;};\
template<> struct is_integral<const volatile T> {static const bool value = true;};
BOOST_PP_LIST_FOR_EACH(INTEGRAL_TYPE_SPECIALIZATION,_,INTEGRAL_TYPES)
#undef INTEGRAL_TYPE_SPECIALIZATION
#undef INTEGRAL_TYPES