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go-cache
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Adding meaningful constant expirations

This commit is contained in:
Jason Mooberry 2014-11-10 15:24:35 -05:00
parent 7d1d6d6ae9
commit 4d8bcdeb84
1 changed files with 6 additions and 1 deletions
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7
cache.go
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@ -83,6 +83,11 @@ type cache struct {
janitor *janitor janitor *janitor
} }
const (
NoExpiration time.Duration = -1
DefaultExpiration time.Duration = 0
)
// Add an item to the cache, replacing any existing item. If the duration is 0, // Add an item to the cache, replacing any existing item. If the duration is 0,
// the cache's default expiration time is used. If it is -1, the item never // the cache's default expiration time is used. If it is -1, the item never
// expires. // expires.
@ -96,7 +101,7 @@ func (c *cache) Set(k string, x interface{}, d time.Duration) {
func (c *cache) set(k string, x interface{}, d time.Duration) { func (c *cache) set(k string, x interface{}, d time.Duration) {
var e *time.Time var e *time.Time
if d == 0 { if d == DefaultExpiration {
d = c.defaultExpiration d = c.defaultExpiration
} }
if d > 0 { if d > 0 {