forked from boostorg/preprocessor
88 lines
3.8 KiB
C++
88 lines
3.8 KiB
C++
#ifndef BOOST_PREPROCESSOR_TUPLE_ELEM_HPP
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#define BOOST_PREPROCESSOR_TUPLE_ELEM_HPP
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/* Copyright (C) 2001
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* Housemarque Oy
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* http://www.housemarque.com
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*
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* Permission to copy, use, modify, sell and distribute this software is
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* granted provided this copyright notice appears in all copies. This
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* software is provided "as is" without express or implied warranty, and
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* with no claim as to its suitability for any purpose.
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*
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* See http://www.boost.org for most recent version.
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*/
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#include <boost/preprocessor/detail/cat.hpp>
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#include <boost/preprocessor/detail/expand.hpp>
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/** <p>Expands to the <code>INDEX</code>:th element of an <code>SIZE_OF_TUPLE</code>-tuple.</p>
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<p>For example,</p>
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<pre>
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BOOST_PP_TUPLE_ELEM(2,1,(A,B))
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</pre>
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<p>expands to <code>B</code>.</p>
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<h3>See</h3>
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<ul>
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<li>BOOST_PP_LIMIT_TUPLE</li>
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</ul>
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*/
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#if !defined(__MWERKS__) || defined(BOOST_NO_COMPILER_CONFIG) || __MWERKS__ > 0x3002
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# define BOOST_PP_TUPLE_ELEM(SIZE_OF_TUPLE,INDEX,TUPLE)\
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BOOST_PP_DETAIL_EXPAND2(\
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BOOST_PP_DETAIL_CAT2(BOOST_PP_TUPLE16_ELEM,INDEX)\
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,BOOST_PP_DETAIL_CAT2(BOOST_PP_TUPLE_ELEM_EX,SIZE_OF_TUPLE) TUPLE\
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)\
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/**/
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#else
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# define BOOST_PP_TUPLE_ELEM(SIZE_OF_TUPLE,INDEX,TUPLE)\
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BOOST_PP_TUPLE_ELEM_DELAY(SIZE_OF_TUPLE,INDEX,TUPLE)\
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/**/
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# define BOOST_PP_TUPLE_ELEM_DELAY(SIZE_OF_TUPLE,INDEX,TUPLE)\
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BOOST_PP_DETAIL_CAT2(\
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BOOST_PP_TUPLE16_ELEM##INDEX\
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,BOOST_PP_DETAIL_CAT2(BOOST_PP_TUPLE_ELEM_EX##SIZE_OF_TUPLE,TUPLE)\
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)\
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/**/
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#endif
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#define BOOST_PP_TUPLE_ELEM_EX1(A) (A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P)
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#define BOOST_PP_TUPLE_ELEM_EX2(A,B) (A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P)
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#define BOOST_PP_TUPLE_ELEM_EX3(A,B,C) (A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P)
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#define BOOST_PP_TUPLE_ELEM_EX4(A,B,C,D) (A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P)
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#define BOOST_PP_TUPLE_ELEM_EX5(A,B,C,D,E) (A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P)
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#define BOOST_PP_TUPLE_ELEM_EX6(A,B,C,D,E,F) (A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P)
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#define BOOST_PP_TUPLE_ELEM_EX7(A,B,C,D,E,F,G) (A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P)
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#define BOOST_PP_TUPLE_ELEM_EX8(A,B,C,D,E,F,G,H) (A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P)
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#define BOOST_PP_TUPLE_ELEM_EX9(A,B,C,D,E,F,G,H,I) (A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P)
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#define BOOST_PP_TUPLE_ELEM_EX10(A,B,C,D,E,F,G,H,I,J) (A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P)
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#define BOOST_PP_TUPLE_ELEM_EX11(A,B,C,D,E,F,G,H,I,J,K) (A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P)
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#define BOOST_PP_TUPLE_ELEM_EX12(A,B,C,D,E,F,G,H,I,J,K,L) (A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P)
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#define BOOST_PP_TUPLE_ELEM_EX13(A,B,C,D,E,F,G,H,I,J,K,L,M) (A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P)
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#define BOOST_PP_TUPLE_ELEM_EX14(A,B,C,D,E,F,G,H,I,J,K,L,M,N) (A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P)
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#define BOOST_PP_TUPLE_ELEM_EX15(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O) (A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P)
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#define BOOST_PP_TUPLE_ELEM_EX16(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P) (A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P)
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#define BOOST_PP_TUPLE16_ELEM0(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P) A
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#define BOOST_PP_TUPLE16_ELEM1(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P) B
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#define BOOST_PP_TUPLE16_ELEM2(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P) C
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#define BOOST_PP_TUPLE16_ELEM3(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P) D
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#define BOOST_PP_TUPLE16_ELEM4(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P) E
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#define BOOST_PP_TUPLE16_ELEM5(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P) F
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#define BOOST_PP_TUPLE16_ELEM6(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P) G
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#define BOOST_PP_TUPLE16_ELEM7(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P) H
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#define BOOST_PP_TUPLE16_ELEM8(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P) I
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#define BOOST_PP_TUPLE16_ELEM9(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P) J
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#define BOOST_PP_TUPLE16_ELEM10(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P) K
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#define BOOST_PP_TUPLE16_ELEM11(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P) L
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#define BOOST_PP_TUPLE16_ELEM12(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P) M
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#define BOOST_PP_TUPLE16_ELEM13(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P) N
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#define BOOST_PP_TUPLE16_ELEM14(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P) O
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#define BOOST_PP_TUPLE16_ELEM15(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P) P
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#endif
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