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field.hh
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			#ifndef __LIBMULTISCALE_FIELD_HH__
			#define __LIBMULTISCALE_FIELD_HH__
			/* -------------------------------------------------------------------------- */
			#include "lm_common.hh"
			/* -------------------------------------------------------------------------- */

			__BEGIN_LIBMULTISCALE__

			/* -------------------------------------------------------------------------- */

			template <FieldType fieldtype, typename T> class Field {
			public:
			Field(T &cont) : cont(cont){};

			UInt getDim() {
			if (not cont.size())
			return 0;
			auto &ref = cont.get(0);
			auto f = ref.template field<fieldtype>();
			return f.size();
			};

			std::string getName() {
			std::stringstream sstr;
			sstr << fieldtype;
			return sstr.str();
			};

			template <typename it_type> struct iterator {

			iterator(it_type it) : it(std::move(it)) {}
			bool operator!=(const iterator &it) const { return this->it != it.it; };
			void operator++() { ++this->it; };
			auto operator*(){
			return (*it).template field<fieldtype>();
			};

			it_type it;
			};

			decltype(auto) begin() {
			return iterator<decltype(cont.begin())>(cont.begin());
			};
			decltype(auto) end() { return iterator<decltype(cont.begin())>(cont.end()); };

			T &cont;
			};

			template <FieldType fieldtype, typename T>
			Field<fieldtype, T> make_field(T &cont){
			return Field<fieldtype, T>(cont);
			};

			/* -------------------------------------------------------------------------- */
			__END_LIBMULTISCALE__
			/* -------------------------------------------------------------------------- */

			#endif //__LIBMULTISCALE_FIELD_HH__