array.size =0returnarray }funcNewDefaultArray()*Array {returnNewArray(10) }/** 获取元素个数 */func(a *Array)Size()int{returna.size }/** 获取容量大小 */func(a *Array)Capacity()int{returnlen(a.data) }/** 是否为空 */func(a *Array)IsEmpty()bool{returna.size ==0}/** 往数组...
ChanDir:管道的方向,有三个值:RecvDir/SendDir/BothDir,分别为接受,发送,双向; Kind:Type中的类型信息,包括:Invalid, Bool, Int, Int8, Int16, Int32, Int64, Uint, Uint8, Uint16, Uint32, Uint64, Uintptr, Float32, Float64, Complex64, Complex128, Array, Chan, Func, Interface, Map, Ptr, ...
lock) return ch } func (ch *SimpleChannel) Send(value interface{}) { ch.lock.Lock() defer ch.lock.Unlock() for ch.hasValue { ch.notFull.Wait() } ch.value = value ch.hasValue = true ch.notEmpty.Signal() } func (ch *SimpleChannel) Receive() interface{} { ch.lock.Lock() ...
func Unmarshal(data []byte, v interface{}) error { return unmarshal(data, v) } 代码语言:javascript 复制 func unmarshal(data []byte, v interface{}, optFuncs ...DecodeOptionFunc) error { header := (*emptyInterface)(unsafe.Pointer(&v)) if err := validateType(header.typ, uintptr(heade...
return } 可以抽取一个config,一个assert目录,工程所有使用的读取文件都放这两个目录指定路径,开发及编译后使用都能正常。 golang启动脚本增加异常打印堆栈 #! /bin/bash ulimit -c unlimited export GOTRACEBACK=crash /opt/goSrv/cmd/goSrv 5go mongodb遇到的坑用法总结 ...
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array :=[5]int{1,2,3,4,5}// 这种方式,省去 var 关键词,将初始化变量和赋值,放在一起操作,这种方式简单,明了。 := [...]Type{value1, value2, ... , valueN} array := [...]int{1,2,3,4,5}// 这种方式,既初始化变量,也是带了初始值,数组长度,根据初始值的个数而定,也就是五个多...
runtime: use zero byte as empty control word in maps (potential performance improvement) #70966 commented on Jan 7, 2025 • 0 new comments x/playground: easily runs into build timeouts by downloading modules #56977 commented on Jan 7, 2025 • 0 new comments x/net/http2: when ...
{ arraytype u uncommontype } return &(*u)(unsafe.Pointer(t)).u case kindChan: type u struct { chantype u uncommontype } return &(*u)(unsafe.Pointer(t)).u case kindMap: type u struct { maptype u uncommontype } return &(*u)(unsafe.Pointer(t)).u case kindInterface: type u ...
删除某个key的操作与分配类似,由于hashmap的存储结构是数组+链表,所以真正删除key仅仅是将对应的slot设置为empty,并没有减少内存;如下: mapdelete 6. 扩容 - growWork 首先,判断是否需要扩容的逻辑是 func (h *hmap) growing() bool { return h.oldbuckets != nil ...