package main import ( "github.com/sanity-io/litter" ) func main() { var mapInt = make(map[int]int) // add for i := 1; i < 10; i++ { mapInt[i] = i } litter.Dump(mapInt) // update mapInt[3] = 0 litter.Dump(mapInt) // del delete(mapInt, 3) litter.Dump(mapInt) // del when iterator for k, v := range mapInt { if v % 2 == 0 { delete(mapInt, k) } } litter.Dump(mapInt) // query v, ok := mapInt[9] if ok { litter.Dump(v, "is exist!") } } output map[int]int{ 1: 1, 2: 2, 3: 3, 4: 4, 5: 5, 6: 6, 7: 7, 8: 8, 9: 9, } map[int]int{ 1: 1, 2: 2, 3: 0, 4: 4, 5: 5, 6: 6, 7: 7, 8: 8, 9: 9, } map[int]int{ 1: 1, 2: 2, 4: 4, 5: 5, 6: 6, 7: 7, 8: 8, 9: 9, } map[int]int{ 1: 1, 5: 5, 7: 7, 9: 9, } 9 "is exist!"
有疑问加站长微信联系(非本文作者)
![](https://static.golangjob.cn/static/img/footer.png?imageView2/2/w/280)