text: #pragma once
  
  namespace Egliss::Extensions
  {
  	class EglContainer
  	{
  	public:
  		template<class T, class U>
  		static std::vector<T, U>&& Concat(std::vector<T, U>& dst, const std::vector<T, U>& source)
  		{
  			dst.insert(source.begin(), source.end());
  		}
  	};
  }