cache.go
func (c *cache) GetWithExpiration(k string) (interface{}, time.Time, bool) {
	c.mu.RLock()
	// "Inlining" of get and Expired
	item, found := c.items[k]
	if !found {
		c.mu.RUnlock()
		return nil, time.Time{}, false
	}

	if item.Expiration > 0 {
		if time.Now().UnixNano() > item.Expiration {
			c.mu.RUnlock()
			return nil, time.Time{}, false
		}

		// Return the item and the expiration time
		c.mu.RUnlock()
		return item.Object, time.Unix(0, item.Expiration), true
	}

	// If expiration <= 0 (i.e. no expiration time set) then return the item
	// and a zeroed time.Time
	c.mu.RUnlock()
	return item.Object, time.Time{}, true
}
func (c *cache) GetWithExpiration(k string) (interface{}, time.Time, bool) {
	c.mu.RLock()
	// "Inlining" of get and Expired
	item, found := c.items[k]
	if !found {
		c.mu.RUnlock()
		return nil, time.Time{}, false
	}

	if item.Expiration > 0 {
		if time.Now().UnixNano() > item.Expiration {
			c.mu.RUnlock()
			return nil, time.Time{}, false
		}

		// Return the item and the expiration time
		c.mu.RUnlock()
		return item.Object, time.Unix(0, item.Expiration), true
	}

	// If expiration <= 0 (i.e. no expiration time set) then return the item
	// and a zeroed time.Time
	c.mu.RUnlock()
	return item.Object, time.Time{}, true
}
func ( c * cache ) GetWithExpiration ( k string ) ( interface { } , time . Time , bool ) { c . mu . RLock ( ) // "Inlining" of get and Expired item , found := c . items [ k ] if ! found { c . mu . RUnlock ( ) return nil , time . Time { } , false } if item . Expiration > 0 { if time . Now ( ) . UnixNano ( ) > item . Expiration { c . mu . RUnlock ( ) return nil , time . Time { } , false } // Return the item and the expiration time c . mu . RUnlock ( ) return item . Object , time . Unix ( 0 , item . Expiration ) , true } // If expiration <= 0 (i.e. no expiration time set) then return the item // and a zeroed time.Time c . mu . RUnlock ( ) return item . Object , time . Time { } , true }
// GetWithExpiration returns an item and its expiration time from the cache.
// It returns the item or nil, the expiration time if one is set (if the item
// never expires a zero value for time.Time is returned), and a bool indicating
// whether the key was found.
GetWithExpiration returns an item and its expiration time from the cache . It returns the item or nil the expiration time if one is set ( if the item never expires a zero value for time . Time is returned ) and a bool indicating whether the key was found .