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< title > Boost.Preprocessor - Reference< / title >
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< h1 align = "center" > Boost.Preprocessor< / h1 >
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< h2 align = "center" > Header < < a href = "../../../../boost/preprocessor/cat.hpp" > boost/preprocessor/cat.hpp< / a > > < / h2 >
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< a href = "assert_msg.htm" > Prev< / a > < a href = "comma.htm" > Next< / a > < a href = "index.htm#Macros" > Macros< / a > < a href = "index.htm#Headers" > Headers< / a >
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< h3 > < a name = "BOOST_PP_CAT" > #define BOOST_PP_CAT< / a > (X,Y)< / h3 >
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< p > Concatenates < code > X< / code > and < code > Y< / code > after they are macro
expanded.< / p >
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< p > For example, < code > < a href = "cat.htm#BOOST_PP_CAT" > BOOST_PP_CAT< / a > (A,< a href = "cat.htm#BOOST_PP_CAT" > BOOST_PP_CAT< / a > (_,B))< / code > expands to < code > A_B< / code > .< / p >
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< h3 > Example< / h3 >
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< li > < a href = "../../example/static_assert.c" > static_assert.c< / a > < / li >
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< h3 > Test< / h3 >
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< li > < a href = "../../test/preprocessor_test.cpp" > preprocessor_test.cpp< / a > < / li >
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< a href = "assert_msg.htm" > Prev< / a > < a href = "comma.htm" > Next< / a > < a href = "index.htm#Macros" > Macros< / a > < a href = "index.htm#Headers" > Headers< / a >
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< p > Revised <!-- webbot bot="Timestamp" s - type="EDITED" s - format="%d %b %Y" startspan --> <!-- webbot bot="Timestamp" endspan i - checksum="15246" --> < / p >
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< p > < i > © Copyright < a href = "http://www.housemarque.com" > Housemarque Oy< / a > 2002< / i > < / p >
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< p > Permission to copy, use, modify, sell and distribute this document is granted
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provided this copyright notice appears in all copies. This document is provided
"as is" without express or implied warranty, and with no claim as to its suitability
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for any purpose.< / p >
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