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()...
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...
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
512 Commits .github _example cmd internal ossfuzz testdata .gitignore COPYING README.md bench_test.go decode.go decode_test.go deprecated.go doc.go encode.go encode_test.go error.go error_test.go example_test.go fuzz_test.go go.mod ...
Or if you’ve removed all references to the package in your code, you could run go mod tidy, which will automatically remove any unused packages from your go.mod and go.sum files. $ go mod tidy -v r.Form map In our code above, we accessed the form values via the r.PostForm map...
Find(doc, "//item/title") { fmt.Printf("#%d %s\n", i, n.InnerText()) } } Getting Started Find specified XPath query. list, err := xmlquery.QueryAll(doc, "a") if err != nil { panic(err) } Parse an XML from URL. doc, err := xmlquery.LoadURL("http://www.example.com...