Merge pull request #148 from noxiouz/remove_unused_regexp

Remove unused regexp

json_formatter.go

@@ -11,11 +11,12 @@ type JSONFormatter struct{}
 func (f *JSONFormatter) Format(entry *Entry) ([]byte, error) {
 	data := make(Fields, len(entry.Data)+3)
 	for k, v := range entry.Data {
+		switch v := v.(type) {
+		case error:
 			// Otherwise errors are ignored by `encoding/json`
 			// https://github.com/Sirupsen/logrus/issues/137
-		if err, ok := v.(error); ok {
-			data[k] = err.Error()
-		} else {
+			data[k] = v.Error()
+		default:
 			data[k] = v
 		}
 	}

terminal_openbsd.go

@@ -1,4 +1,3 @@
-
 package logrus
 
 import "syscall"

writer.go

@@ -6,7 +6,7 @@ import (
 	"runtime"
 )
 
-func (logger *Logger) Writer() (*io.PipeWriter) {
+func (logger *Logger) Writer() *io.PipeWriter {
 	reader, writer := io.Pipe()
 
 	go logger.writerScanner(reader)