golang 切片去重
//第二种写法：更简洁点
func RemoveRepeated(s []int) []int {
start := time.Now()
result := []int{}
m := make(map[int]bool) //map的值不重要
for _, v := range s {
if _, ok := m[v]; !ok {
result = append(result, v)
m[v] = true
}
}
fmt.Println("花费时间:", fmt.Sprintf("%vms", (time.Now().UnixNano()-start.UnixNano())/1e+6))
return result
}
//第二种写法：
var strMap make(map[string]string)
strSlice := []string {"slice","int","string","int","boolean","string"}
for _,v:= range strSlice{
strMap[v] = v
}
//strMap为：{"slice"："slice","int"："int","string"："string","boolean"：boolean"}
//如果想将map转换为slice，可利用数组的append函数
var secondStr []string
for _,value := range strMap{
secondStr = append(secondStr ,value)
}
//secondStr为：{"slice","int","string","boolean"}