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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                [TOC] ## ring 環的尾部就是頭部,環還提供一個Do方法,能便利一遍環,對每個元素執行一個function ``` type Ring func New(n int) *Ring // 初始化環 func (r *Ring) Do(f func(interface{})) // 循環環進行操作 func (r *Ring) Len() int // 環長度 func (r *Ring) Link(s *Ring) *Ring // 連接兩個環 func (r *Ring) Move(n int) *Ring // 指針從當前元素開始向后移動或者向前(n可以為負數) func (r *Ring) Next() *Ring // 當前元素的下個元素 func (r *Ring) Prev() *Ring // 當前元素的上個元素 func (r *Ring) Unlink(n int) *Ring // 從當前元素開始,刪除n個元素 ``` ### demo ``` r := ring.New(4) n := r.Len() for i := 0; i < n; i++ { r.Value = i //復制 r = r.Next() // } //r = r.Unlink(4) r.Do(func(p interface{}) { fmt.Println(p) }) ```
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