Merge pull request #52 from gopalmor/master

karlseguin · web-flow · commit 36ffada8b55d · 2020-12-10T18:49:34.000+08:00
Avoid blocking if promotables channel is full.
diff --git a/cache.go b/cache.go
@@ -206,7 +206,11 @@ func (c *Cache) bucket(key string) *bucket {
 }
 
 func (c *Cache) promote(item *Item) {
-	c.promotables <- item
+	select {
+	case c.promotables <- item:
+	default:
+	}
+		
 }
 
 func (c *Cache) worker() {

Original file line number	Diff line number	Diff line change
`@@ -206,7 +206,11 @@ func (c Cache) bucket(key string) bucket {`
`206`	`206`	`}`
`207`	`207`
`208`	`208`	`func (c Cache) promote(item Item) {`
`209`		`- c.promotables <- item`
	`209`	`+ select {`
	`210`	`+ case c.promotables <- item:`
	`211`	`+ default:`
	`212`	`+ }`
	`213`	`+`
`210`	`214`	`}`
`211`	`215`
`212`	`216`	`func (c *Cache) worker() {`