Function character_matrix_row_iteration_decr

inst/tinytest/cpp/Vector.cpp:500–511

[[Rcpp::export]]

// [[Rcpp::export]]
CharacterVector character_matrix_row_iteration_decr( CharacterMatrix m ){
    std::string pasted_row;
    CharacterMatrix::Row row(m(1, _));
    CharacterMatrix::Row::iterator i_row(row.end());
    i_row--; // Step back from 'one past the end' to 'last element'.
    // Only copy the last three elements, to avoid creating an invalid
    // 'one before the beginning' iterator:
    for( size_t i=0 ; i<3; i++){
        pasted_row += *i_row--;
    }
    return wrap( pasted_row ) ;
}


// [[Rcpp::export]]