()
| 91 | } |
| 92 | |
| 93 | func (e *DeltaError) Error() string { |
| 94 | if !e.Delta.Quad.IsValid() { |
| 95 | return e.Err.Error() |
| 96 | } |
| 97 | return e.Delta.Action.String() + " " + e.Delta.Quad.String() + ": " + e.Err.Error() |
| 98 | } |
| 99 | |
| 100 | // IsQuadExist returns whether an error is a DeltaError |
| 101 | // with the Err field equal to ErrQuadExists. |