Traceless.hh

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#pragma once
 
#include "Props.hh"
 
namespace cadabra {
 
    class Traceless : virtual public property {
        public:
            virtual ~Traceless() {};
            virtual std::string name() const override;
            virtual bool        parse(Kernel&, keyval_t&) override;
            virtual std::string unnamed_argument() const override
                {
                return "indices";
                };
 
            std::set<std::string> index_set_names; // refers to Indices::set_name
        };
 
    }