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< title > The MPL Reference Manual: BOOST_MPL_LIMIT_STRING_SIZE</ title >
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< table class = "header" >< tr class = "header" >< td class = "header-group navigation-bar" >< span class = "navigation-group" >< a href = "./limit-map-size.html" class = "navigation-link" > Prev</ a > < a href = "./limit-unrolling.html" class = "navigation-link" > Next</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./limit-map-size.html" class = "navigation-link" > Back</ a > < a href = "./limit-unrolling.html" class = "navigation-link" > Along</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./configuration.html" class = "navigation-link" > Up</ a > < a href = "../refmanual.html" class = "navigation-link" > Home</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./refmanual_toc.html" class = "navigation-link" > Full TOC</ a ></ span ></ td >
< td class = "header-group page-location" >< a href = "../refmanual.html" class = "navigation-link" > Front Page</ a > / < a href = "./macros.html" class = "navigation-link" > Macros</ a > / < a href = "./configuration.html" class = "navigation-link" > Configuration</ a > / < a href = "./limit-string-size.html" class = "navigation-link" > BOOST_MPL_LIMIT_STRING_SIZE</ a ></ td >
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< div class = "section" id = "boost-mpl-limit-string-size" >
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< h1 >< a class = "toc-backref" href = "./configuration.html#id1606" > BOOST_MPL_LIMIT_STRING_SIZE</ a ></ h1 >
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< h3 >< a class = "subsection-title" href = "#synopsis" name = "synopsis" > Synopsis</ a ></ h3 >
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#if !defined(< a href = "./limit-string-size.html" class = "identifier" > BOOST_MPL_LIMIT_STRING_SIZE</ a > )
# define < a href = "./limit-string-size.html" class = "identifier" > BOOST_MPL_LIMIT_STRING_SIZE</ a > \
< em > implementation-defined integral constant</ em > \
/**/
#endif
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< h3 >< a class = "subsection-title" href = "#description" name = "description" > Description</ a ></ h3 >
< p >< tt class = "literal" >< span class = "pre" >< a href = "./limit-string-size.html" class = "identifier" > BOOST_MPL_LIMIT_STRING_SIZE</ a ></ span ></ tt > is an overridable configuration macro regulating
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the maximum arity of the < tt class = "literal" >< span class = "pre" >< a href = "./string.html" class = "identifier" > string</ a ></ span ></ tt > 's < a class = "reference internal" href = "./variadic-sequence.html" > variadic forms</ a > . In this
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implementation of the library, < tt class = "literal" >< span class = "pre" >< a href = "./limit-string-size.html" class = "identifier" > BOOST_MPL_LIMIT_STRING_SIZE</ a ></ span ></ tt > has a default value
of 32. To override the default limit, define < tt class = "literal" >< span class = "pre" >< a href = "./limit-string-size.html" class = "identifier" > BOOST_MPL_LIMIT_STRING_SIZE</ a ></ span ></ tt > to
the desired maximum arity before including any library header.</ p >
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< div class = "section" id = "id1378" >
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< h3 >< a class = "subsection-title" href = "#example" name = "example" > Example</ a ></ h3 >
< pre class = "literal-block" >
#define < a href = "./limit-string-size.html" class = "identifier" > BOOST_MPL_LIMIT_STRING_SIZE</ a > 8
< tt class = "literal" >< span class = "pre" > #</ span ></ tt > include < boost/mpl/< a href = "./string.html" class = "identifier" > string</ a > .hpp>
using namespace boost::mpl;
typedef < a href = "./string.html" class = "identifier" > string</ a > < 'a'> s_1;
typedef < a href = "./string.html" class = "identifier" > string</ a > < 'abcd','efgh'> s_8;
// typedef < a href = "./string.html" class = "identifier" > string</ a > < 'abcd','efgh','i'> s_9; // error!
</ pre >
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< div class = "section" id = "id1379" >
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< h3 >< a class = "subsection-title" href = "#see-also" name = "see-also" > See also</ a ></ h3 >
< p >< a class = "reference internal" href = "./configuration.html" > Configuration</ a > , < a class = "reference internal" href = "./limit-vector-size.html" > BOOST_MPL_LIMIT_VECTOR_SIZE</ a ></ p >
<!-- Macros/Configuration//BOOST_MPL_LIMIT_UNROLLING |70 -->
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< td >< div class = "copyright-footer" >< div class = "copyright" > Copyright © 2009 Eric Niebler</ div >
Distributed under the Boost Software License, Version 1.0. (See accompanying
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