ok && read.amended { // 加锁访问Map.dirty m.mu.Lock() // 双重检测:若加锁前Map.dirty被替换为readonly,则前面m.read.Load().(readOnly)无效,需 // 要再次检查 read, _ = m.read.Load().(readOnly) e, ok = read.m[key] // read.m没有此key && dirty里有可能有(dirty中有read.m没...
exists { return false } bill[item] += units[unit] return true } // RemoveItem removes an item from customer bill. func RemoveItem(bill, units map[string]int, item, unit string) bool { if bill == nil { return false } if _, exists := bill[item]; !exists { return false } if ...
cleanupInterval, items)}func newCacheWithJanitor(de time.Duration, ci time.Duration, m map[string]Item) *Cache { c := newCache(de, m) // This trick ensures that the janitor goroutine (which--granted it // was enabled--is running...
RememberForever(key string, callback func() interface{}) (interface{}, error) //Forever Store an item in the cache indefinitely. Forever(key string, value interface{}) bool //Forget Remove an item from the cache. Forget(key string) bool //Flush Remove all items from the cache. Flush()...
add max_lifetime config item 7年前 connection.go support postgres sql quotes,fix #15 6年前 connection_test.go support postgres sql quotes,fix #15 6年前 db.go add Begin Commit Rollback 5年前 db_test.go add Begin Commit Rollback
heap.Fix(pq, item.index) }//This example creates a PriorityQueue with some items, adds and manipulates an item,//and then removes the items in priority order.func Example_priorityQueue() {//Some items and their priorities.items := map[string]int{"banana":3,"apple":2,"pear":4, ...
(negative) priority as the// ordering for the Less method, so Push adds items while Pop removes the// highest-priority item from the queue. The Examples include such an// implementation; the file example_pq_test.go has the complete source.packageheapimport"sort"// The Interface type ...
item.go /usr/share/gocode/src/github.com/rclone/rclone/vfs/vfscache/item_test.go /usr/share/gocode/src/github.com/rclone/rclone/vfs/vfscache/writeback/writeback.go /usr/share/gocode/src/github.com/rclone/rclone/vfs/vfscache/writeback/writeback_test.go /usr/share/gocode/src/github.com...
items := map[string]int{ "banana": 3, "apple": 2, "pear": 4, } // Create a priority queue, put the items in it, and // establish the priority queue (heap) invariants. pq := make(PriorityQueue, len(items)) i := 0 for value, priority := range items { pq[i] = &Item{...
[MessageID]*pqueue.Item // 延时消息队列,底层基于一个小顶堆实现,以执行时间戳作为排序的键 deferredPQ pqueue.PriorityQueue // 保护延时消息队列的互斥锁 deferredMutex sync.Mutex // 重试(待确认)消息集合 inFlightMessages map[MessageID]*Message // 重试(待确认)消息队列,底层基于一个小顶堆实现,以执行...