golang字符串slice([]string)去重

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// []string 去重
func RemoveDuplicate(list []string) []string {
    // 这个排序很关键
    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
}

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func TestRemoveDuplicate(t *testing.T) {
    var list = []string{"a", "q", "b", "a", "c", "f", "c", "d", "e", "s"}
    list = RemoveDuplicate(list)
    t.Logf("%s", list)
}

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#在测试目录下执行 go test -v
=== RUN   TestRemoveDuplicate
    TestRemoveDuplicate: strings_test.go:8: [ a b c d e f q s]
--- PASS: TestRemoveDuplicate (0.00s)