package myRedis type SliceResult struct { Result []interface{} Err error } func NewSliceResult(result []interface{}, err error) *SliceResult { return &SliceResult{Result: result, Err: err} } func (t *SliceResult) Unwrap() []interface{} { if t.Err != nil { panic(t.Err) } return t.Result } func (t *SliceResult) UnwrapOr(strs []interface{}) []interface{} { if t.Err != nil { return strs } else { return t.Result } } func (t *SliceResult) Iter() *Iterator { return NewIterator(t.Result) }