add helper to check for zero uuid

dennwc · dennwc · commit 94acb6ee4ab2 · 2016-10-17T17:12:29.000+03:00
diff --git a/ioctl_h.go b/ioctl_h.go
@@ -25,8 +25,9 @@ var zeroUUID UUID
 
 type UUID [UUIDSize]byte
 
+func (id UUID) IsZero() bool { return id == zeroUUID }
 func (id UUID) String() string {
-	if id == zeroUUID {
+	if id.IsZero() {
 		return "<zero>"
 	}
 	buf := make([]byte, UUIDSize*2+4)

Original file line number	Diff line number	Diff line change
`@@ -25,8 +25,9 @@ var zeroUUID UUID`
`25`	`25`
`26`	`26`	`type UUID [UUIDSize]byte`
`27`	`27`
	`28`	`+func (id UUID) IsZero() bool { return id == zeroUUID }`
`28`	`29`	`func (id UUID) String() string {`
`29`		`- if id == zeroUUID {`
	`30`	`+ if id.IsZero() {`
`30`	`31`	`return "<zero>"`
`31`	`32`	`}`
`32`	`33`	`buf := make([]byte, UUIDSize*2+4)`