forked from boostorg/preprocessor
Merge [43112], [62165], [65119], and [65120] from the trunk.
[SVN r71037]
This commit is contained in:
@ -64,10 +64,10 @@
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#include <<a href="../headers/repetition/epwd.html">boost/preprocessor/repetition/enum_params_with_defaults.hpp</a>>
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#include <<a href="../headers/repetition/epwd.html">boost/preprocessor/repetition/enum_params_with_defaults.hpp</a>>
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<a href="enum_params_with_defaults.html">BOOST_PP_ENUM_PARAMS_WITH_DEFAULTS</a>(3, class T, U)
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<a href="enum_params_with_defaults.html">BOOST_PP_ENUM_PARAMS_WITH_DEFAULTS</a>(3, class T, U)
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// expands to T0 = U0, T1 = U1, T2 = U2
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// expands to class T0 = U0, class T1 = U1, class T2 = U2
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<a href="enum_binary_params.html">BOOST_PP_ENUM_BINARY_PARAMS</a>(3, class T, = U)
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<a href="enum_binary_params.html">BOOST_PP_ENUM_BINARY_PARAMS</a>(3, class T, = U)
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// expands to T0 = U0, T1 = U1, T2 = U2
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// expands to class T0 = U0, class T1 = U1, class T2 = U2
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</pre></div>
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</pre></div>
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<hr size="1">
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<hr size="1">
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<div style="margin-left: 0px;">
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<div style="margin-left: 0px;">
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@ -44,7 +44,7 @@
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<h4>Sample Code</h4>
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<h4>Sample Code</h4>
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<div><pre>
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<div><pre>
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#include <<a href="../headers/control/iif.html">boost/preprocessor/control/iif.hpp</a>>
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#include <<a href="../headers/control/iif.html">boost/preprocessor/control/iif.hpp</a>>
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#include <<a href="../headers/logical/or.html">boost/preprocessor/logical/or.hpp</a>
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#include <<a href="../headers/logical/or.html">boost/preprocessor/logical/or.hpp</a>>
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#define OR_IF(p, q, t, f) <a href="iif.html">BOOST_PP_IIF</a>(<a href="or.html">BOOST_PP_OR</a>(p, q), t, f)
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#define OR_IF(p, q, t, f) <a href="iif.html">BOOST_PP_IIF</a>(<a href="or.html">BOOST_PP_OR</a>(p, q), t, f)
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@ -13,7 +13,7 @@
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</div>
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</div>
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<h4>Remarks</h4>
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<h4>Remarks</h4>
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<div>
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<div>
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This macro currently expands to <i>5</i>.
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This macro currently expands to <i>3</i>.
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</div>
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</div>
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<h4>Requirements</h4>
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<h4>Requirements</h4>
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<div>
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<div>
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@ -5,7 +5,7 @@
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</head>
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</head>
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<body>
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<body>
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<div style="margin-left: 0px;">
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<div style="margin-left: 0px;">
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The <b>BOOST_PP_SEQ_HEAD</b> macro expands to all but the first element of a <i>seq</i>.
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The <b>BOOST_PP_SEQ_TAIL</b> macro expands to all but the first element of a <i>seq</i>.
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</div>
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</div>
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<h4>
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<h4>
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Usage
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Usage
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BOOST_PP_IF( \
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BOOST_PP_IF( \
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BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(seq)), \
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BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(seq)), \
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BOOST_PP_SEQ_CAT_I, \
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BOOST_PP_SEQ_CAT_I, \
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BOOST_PP_SEQ_HEAD(seq) BOOST_PP_TUPLE_EAT_1 \
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BOOST_PP_SEQ_HEAD \
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)(seq) \
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)(seq) \
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/**/
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/**/
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# define BOOST_PP_SEQ_CAT_I(seq) BOOST_PP_SEQ_FOLD_LEFT(BOOST_PP_SEQ_CAT_O, BOOST_PP_SEQ_HEAD(seq), BOOST_PP_SEQ_TAIL(seq))
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# define BOOST_PP_SEQ_CAT_I(seq) BOOST_PP_SEQ_FOLD_LEFT(BOOST_PP_SEQ_CAT_O, BOOST_PP_SEQ_HEAD(seq), BOOST_PP_SEQ_TAIL(seq))
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# define BOOST_PP_SEQ_CAT_S(s, seq) \
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# define BOOST_PP_SEQ_CAT_S(s, seq) \
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BOOST_PP_IF( \
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BOOST_PP_IF( \
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BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(seq)), \
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BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(seq)), \
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BOOST_PP_SEQ_CAT_S_I, \
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BOOST_PP_SEQ_CAT_S_I_A, \
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BOOST_PP_SEQ_HEAD(seq) BOOST_PP_TUPLE_EAT_2 \
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BOOST_PP_SEQ_CAT_S_I_B \
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)(s, seq) \
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)(s, seq) \
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/**/
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/**/
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# define BOOST_PP_SEQ_CAT_S_I(s, seq) BOOST_PP_SEQ_FOLD_LEFT_ ## s(BOOST_PP_SEQ_CAT_O, BOOST_PP_SEQ_HEAD(seq), BOOST_PP_SEQ_TAIL(seq))
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# define BOOST_PP_SEQ_CAT_S_I_A(s, seq) BOOST_PP_SEQ_FOLD_LEFT_ ## s(BOOST_PP_SEQ_CAT_O, BOOST_PP_SEQ_HEAD(seq), BOOST_PP_SEQ_TAIL(seq))
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# define BOOST_PP_SEQ_CAT_S_I_B(s, seq) BOOST_PP_SEQ_HEAD(seq)
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#
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#
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# endif
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# endif
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#
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#
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# include <boost/preprocessor/cat.hpp>
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# include <boost/preprocessor/cat.hpp>
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# include <boost/preprocessor/config/config.hpp>
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# include <boost/preprocessor/config/config.hpp>
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# include <boost/preprocessor/tuple/eat.hpp>
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#
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#
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# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
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# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
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# define BOOST_PP_SEQ_SIZE(seq) BOOST_PP_SEQ_SIZE_I((seq))
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# define BOOST_PP_SEQ_SIZE(seq) BOOST_PP_SEQ_SIZE_I((seq))
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