boost::text::operator<=
// In header: <boost/text/unencoded_rope.hpp> template<typename Char, typename String, typename T> bool operator<=(T const & lhs, basic_unencoded_rope< Char, String > rhs);
Returns true iff lhs <= rhs, where rhs is an object for which rhs = lhs is well-formed.
lhs
rhs
rhs = lhs
