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package main
import "container/list"
type List[T any] list.List
func (c *List[T]) getList() *list.List { return (*list.List)(c) }
func (c *List[T]) PushBack(v T) {c.getList().PushBack(v) }
func (c *List[T]) Range(f func(i int, v T) bool) {for i, j := c.getList().Front(), 0; i != nil; i = i.Next() {if !f(j, i.Value.(T)) {return}
j++
}
}
func main() {q := new(List[int])
q.PushBack(1)
q.PushBack(1)
q.PushBack(2)
q.PushBack(3)
q.PushBack(5)
for i, v := range q.Range {println(i, v)
}
}
正文完