Go generics enhanced database query

query.go

func Query[T any](
  db *sql.DB, 
  binder func(*T) []any,
  query string, 
  args ...any) (error, []*T) {
    rows, err := db.Query(query, args...)
    if err != nil {
      return err, nil
    }
    defer func() {
      _ = rows.Close()
    }()
    var results []*T
    for rows.Next() {
      var result T
      cols := binder(&result)
      err = rows.Scan(cols...)
      if err != nil {
        return err, nil
      }
      results = append(results, &result)
    }
  return nil, results
}