底层实现依赖于up和down函数 func Push(h Interface, x any) { h.Push(x) // 向底层数组的最后添加一个元素 up(h, h.Len()-1) // 添加完后可能会破坏堆结构,因此需要对新加的元素执行上浮操作 } func Pop(h Interface) any { n := h.Len() - 1 h.Swap(0, n) // 将当前堆顶元素(底层数...
泛型接口 packagemainimport("fmt")typePerson[T any]interface{ Say(T) T }typeStudent[T any]struct{ Namestring}func(s *Student[T]) Say(t T) T { fmt.Println(s.Name,"say:", t)returnt }typeTeacher[T any]struct{ Namestring}func(s *Teacher[T]) Say(t T) T { fmt.Println(s.Name,"...
}).Filter(func(s any) bool { // 这里需要强转 tempS := s.(Student) // 过滤掉1的 return tempS.Score != 1 }).Collect(collectors.GroupingBy(func(t any) int { return t.(Student).Score }, func(t any) any { return t }, func(t1 []any) { sort.Slice(t1, func(i, j int) boo...
funcmapToList[Kcomparable,Vany](mpmap[K]V)[]V { list :=make([]V,len(mp))variint=0for_, v :=rangemp { list[i] = v i++ }returnlist } 2. 泛型接口 typeGetKey[Tcomparable] interface {Get()T} 3. 泛型结构体 typeMyStruct[Tinterface{*int| *float64}] struct {NamestringDataT}...
创建名为Struct1结构体的泛型变量。其中的泛型参数T,有3个类型约束 typeStruct1[Tstring|int|float64]struct{TitlestringContent T} 等同于 typeStruct3struct{TitlestringContentstring}typeStruct4struct{TitlestringContentint}typeStruct5struct{TitlestringContentfloat64} ...
Ok i have a main package and a http handler package. Essentially what i am trying to do is setup a global struct so that way i can call upon information in that struct at any time. Basic outline of my attempted example below: Main package imports handler function Main package calls handl...
代码语言:javascript 复制 packageadminimport("fmt""github.com/gin-gonic/gin")type IndexController struct{}func(con IndexController)Index(c*gin.Context){username,_:=c.Get("username")fmt.Println(username)v,ok:=username.(string)ifok{c.String(200,"用户列表--"+v)}else{c.String(200,"用户列表...
5. 【初级】 interface{}是可以指向任意对象的Any类型()参考答案:T 6. 【中级】下面关于文件操作的代码可能触发异常() 7. file, err := os.Open("test.go") 8. defer file.Close() 9. if err != nil { 10. fmt.Println("open file failed:",err) 11. return 12. } ... 参考答案:T 13. ...
1. 定义节点 // Node 定义节点 type Node struct { Data any Next *Node } type LinkedList struct { headNode *Node // 头指针 } 2. IsEmpty(): // IsEmpty 判断链表是否为空 func (l *LinkedList) IsEmpty() bool { if l.headNode == nil { return true } return false } 3. Length() ...
router.ANY("/any", handle) router.Run() } func handle(context*gin.Context) { context.String(http.StatusOK,"hello world") } 分组路由可以通过router.Group: func main() { router :=gin.Default() v1 := router.Group("/v1") {