boost::unicode::adaptors::decompose
// In header: <boost/unicode/compose.hpp> template<typename Range, typename... T> boost::converted_range< Range, boost::unicode::decomposer > decompose(Range && range, const T & ...);
Lazily evalutes boost::unicode::decomposer by returning a range adapter that wraps the range range and converts it step-by-step as the range is advanced.
boost::unicode::decomposer
range