epp: tweak seqSource

ydnar · ydnar · commit a7e3eb02e15b · 2023-12-01T14:18:36.000-08:00
diff --git a/id.go b/id.go
@@ -9,7 +9,7 @@ import (
 
 type seqSource struct {
 	prefix string
-	n      uint64
+	n      atomic.Uint64
 }
 
 func newSeqSource(prefix string) (*seqSource, error) {
@@ -27,5 +27,9 @@ func newSeqSource(prefix string) (*seqSource, error) {
 }
 
 func (s *seqSource) ID() string {
-	return s.prefix + strconv.FormatUint(atomic.AddUint64(&s.n, 1), 10)
+	return s.prefix + strconv.FormatUint(s.id(), 10)
+}
+
+func (s *seqSource) id() uint64 {
+	return s.n.Add(1)
 }

Original file line number	Diff line number	Diff line change
`@@ -9,7 +9,7 @@ import (`
`9`	`9`
`10`	`10`	`type seqSource struct {`
`11`	`11`	`prefix string`
`12`		`- n uint64`
	`12`	`+ n atomic.Uint64`
`13`	`13`	`}`
`14`	`14`
`15`	`15`	`func newSeqSource(prefix string) (*seqSource, error) {`
`@@ -27,5 +27,9 @@ func newSeqSource(prefix string) (*seqSource, error) {`
`27`	`27`	`}`
`28`	`28`
`29`	`29`	`func (s *seqSource) ID() string {`
`30`		`- return s.prefix + strconv.FormatUint(atomic.AddUint64(&s.n, 1), 10)`
	`30`	`+ return s.prefix + strconv.FormatUint(s.id(), 10)`
	`31`	`+}`
	`32`	`+`
	`33`	`+func (s *seqSource) id() uint64 {`
	`34`	`+ return s.n.Add(1)`
`31`	`35`	`}`