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Function range_begin

boost::xpressive::range_begin — range_begin() to make sub_match<> a valid range

Synopsis

// In header: <boost/xpressive/sub_match.hpp>


template<typename BidiIter>  (sub_match<  sub);
template<typename BidiIter> 
   (sub_match<  sub);

Description

Parameters:

sub

the sub_match<> object denoting the range

Requires:

sub.first is not singular

Returns:

sub.first


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