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< title > BOOST_PP_TUPLE_SIZE</ title >
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< div style = "margin-left: 0px;" > The < b > BOOST_PP_TUPLE_SIZE</ b > macro
expands to the size of the < i > tuple</ i > passed to it. </ div >
< h4 > Usage</ h4 >
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< div class = "code" > < b > BOOST_PP_TUPLE_SIZE</ b > (< i > tuple</ i > ) < a href = "../topics/variadic_macros.html#VNotation" target = "_self" >< sup > (v)</ sup ></ a >< br >
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< h4 > Arguments</ h4 >
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< dt > tuple</ dt >
< dd > A < i > tuple</ i > whose size is to be extracted. </ dd >
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< h4 > Requirements</ h4 >
< div > < b > Header:</ b > < a href = "../headers/tuple/size.html" > < boost/preprocessor/tuple/size.hpp> </ a >
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< h4 > Sample Code</ h4 >
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< pre > #include < < a href = "../headers/tuple/size.html" > boost/preprocessor/tuple/size.hpp</ a > > < br >< br > #define TUPLE (x, y, z)< br >< br >< a href = "tuple_size.html" > BOOST_PP_TUPLE_SIZE</ a > (TUPLE) // expands to 3< br ></ pre >
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< div style = "margin-left: 0px;" > < i ></ i >< i > © Copyright Edward Diener 2011,2013</ i > </ div >
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< p >< small > Distributed under the Boost Software License, Version 1.0.
(See accompanying file < a href = "../../../../LICENSE_1_0.txt" > LICENSE_1_0.txt</ a >
or copy at < a href = "http://www.boost.org/LICENSE_1_0.txt" > www.boost.org/LICENSE_1_0.txt</ a > )</ small ></ p >
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