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	Less naked returns (#25713)
just a step towards #25655 and some related refactoring
This commit is contained in:
		| @@ -15,7 +15,7 @@ import ( | ||||
|  | ||||
| func wrapNewlines(w io.Writer, prefix, value []byte) (sum int64, err error) { | ||||
| 	if len(value) == 0 { | ||||
| 		return | ||||
| 		return 0, nil | ||||
| 	} | ||||
| 	var n int | ||||
| 	last := 0 | ||||
| @@ -23,24 +23,24 @@ func wrapNewlines(w io.Writer, prefix, value []byte) (sum int64, err error) { | ||||
| 		n, err = w.Write(prefix) | ||||
| 		sum += int64(n) | ||||
| 		if err != nil { | ||||
| 			return | ||||
| 			return sum, err | ||||
| 		} | ||||
| 		n, err = w.Write(value[last : last+j+1]) | ||||
| 		sum += int64(n) | ||||
| 		if err != nil { | ||||
| 			return | ||||
| 			return sum, err | ||||
| 		} | ||||
| 		last += j + 1 | ||||
| 	} | ||||
| 	n, err = w.Write(prefix) | ||||
| 	sum += int64(n) | ||||
| 	if err != nil { | ||||
| 		return | ||||
| 		return sum, err | ||||
| 	} | ||||
| 	n, err = w.Write(value[last:]) | ||||
| 	sum += int64(n) | ||||
| 	if err != nil { | ||||
| 		return | ||||
| 		return sum, err | ||||
| 	} | ||||
| 	n, err = w.Write([]byte("\n")) | ||||
| 	sum += int64(n) | ||||
|   | ||||
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