Class CompareFeaturesByPriority

library/cpp/regex/pire/pire/re_lexer.cpp:84–90

namespace {
    class CompareFeaturesByPriority: public ybinary_function<const Feature::Ptr&, const Feature::Ptr&, bool> {
    public:
        bool operator()(const Feature::Ptr& a, const Feature::Ptr& b) const
        {
            return a->Priority() < b->Priority();
        }
    };
}

Lexer& Lexer::AddFeature(Feature::Ptr& feature)