Method keys

inst/include/Rcpp/hash/IndexHash.h:111–117

keys, in the order they appear in the data

        // keys, in the order they appear in the data
        inline Vector<RTYPE> keys() const{
            Vector<RTYPE> res = no_init(size_) ;
            for( int i=0, j=0; j<size_; i++){
                if( data[i] ) res[j++] = src[data[i]-1] ;
            }
            return res ;
        }

        int n, m, k ;
        STORAGE* src ;