package gslice

import (
	"sort"
	"strings"
)

// ContainsString 判断字符串是否在数组中
func ContainsString(arr []string, str string) bool {
	for _, s := range arr {
		if s == str {
			return true
		}
	}
	return false
}

// RemoveString 移除数组中的某个字符串
func RemoveString(arr []string, str string) ([]string, bool) {

	for i, s := range arr {
		if s == str {
			arr = append(arr[:i], arr[i+1:]...)
			return arr, true
		}
	}
	return arr, false
}

// RemoveDuplicate 去重
func RemoveDuplicate(list []string) []string {
	sort.Strings(list)
	i := 0
	var newlist = []string{""}
	for j := 0; j < len(list); j++ {
		if strings.Compare(newlist[i], list[j]) == -1 {
			newlist = append(newlist, list[j])
			i++
		}
	}
	return newlist
}