forked from boostorg/preprocessor
48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
#ifndef BOOST_PREPROCESSOR_TUPLE_EAT_HPP
|
|
#define BOOST_PREPROCESSOR_TUPLE_EAT_HPP
|
|
|
|
// Copyright (C) 2001
|
|
// 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.
|
|
|
|
/*! \file
|
|
|
|
<a href="../../../../boost/preprocessor/tuple/eat.hpp">Click here to see the header.</a>
|
|
*/
|
|
|
|
//! Expands to a macro that eats a tuple of the specified length.
|
|
/*!
|
|
BOOST_PP_TUPLE_EAT() is designed to be used with BOOST_PP_IF() like
|
|
BOOST_PP_EMPTY().
|
|
|
|
For example:
|
|
|
|
<PRE>\verbatim
|
|
BOOST_PP_IF(0,BOOST_PP_ENUM_PARAMS,BOOST_PP_TUPLE_EAT(2))(10,P)
|
|
\endverbatim</PRE>
|
|
|
|
The above expands to nothing.
|
|
*/
|
|
#define BOOST_PP_TUPLE_EAT(N) BOOST_PP_TUPLE_EAT_DELAY(N)
|
|
|
|
#ifndef DOXYGEN_SHOULD_SKIP_THIS
|
|
#define BOOST_PP_TUPLE_EAT_DELAY(N) BOOST_PP_TUPLE##N##_EAT
|
|
#define BOOST_PP_TUPLE0_EAT()
|
|
#define BOOST_PP_TUPLE1_EAT(A)
|
|
#define BOOST_PP_TUPLE2_EAT(A,B)
|
|
#define BOOST_PP_TUPLE3_EAT(A,B,C)
|
|
#define BOOST_PP_TUPLE4_EAT(A,B,C,D)
|
|
#define BOOST_PP_TUPLE5_EAT(A,B,C,D,E)
|
|
#define BOOST_PP_TUPLE6_EAT(A,B,C,D,E,F)
|
|
#define BOOST_PP_TUPLE7_EAT(A,B,C,D,E,F,G)
|
|
#define BOOST_PP_TUPLE8_EAT(A,B,C,D,E,F,G,H)
|
|
#endif
|
|
#endif
|