Wrap 包装已有错误
(err error)
| 42 | |
| 43 | // Wrap 包装已有错误 |
| 44 | func Wrap(err error) error { |
| 45 | if err == nil { |
| 46 | return nil |
| 47 | } |
| 48 | |
| 49 | ptr, file, line, ok := runtime.Caller(1) |
| 50 | funcName := "" |
| 51 | if ok { |
| 52 | frame, _ := runtime.CallersFrames([]uintptr{ptr}).Next() |
| 53 | funcName = filepath.Base(frame.Function) |
| 54 | } |
| 55 | return &errorObj{ |
| 56 | err: err, |
| 57 | file: file, |
| 58 | line: line, |
| 59 | funcName: funcName, |
| 60 | } |
| 61 | } |