collection_operators.hpp

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#pragma once
 
namespace xtd {
  namespace collections {
    namespace generic {
      namespace extensions {
        template<class type_t, class collection_t>
        class collection_operators {
        public:
          
          virtual collection_t& operator <<(const type_t& item) {
            auto& self = static_cast<collection_t&>(*this);
            self.add(item);
            return self;
          }
 
          virtual collection_t& operator >>(const type_t& item) {
            auto& self = static_cast<collection_t&>(*this);
            self.remove(item);
            return self;
          }
        
        private:
          friend collection_t;
          collection_operators() = default;
        };
      }
    }
  }
}