列表工具类封装【golang】

func Contains(str_array []string, target string) bool {
  for _, element := range str_array {
    if target == element {
      return true
    }
  }
  return false
}

func GetKeys(m map[string]([]string)) []string {
  keys := make([]string, 0, len(m))
  for k := range m {
    keys = append(keys, k)
  }
  return keys
}

func GetValues(m map[string]([]string)) []string {
  values := make([]string, 0, len(m)*5)
  for _, v := range m {
    values = Union(v, values)
  }
  return values
}

func GetValuesV2(m map[string]string) []string {
  var tempMap = make(map[string](int))
  values := make([]string, 0, len(m)*5)
  for _, v := range m {
    _, ok := tempMap[v]
    if ok {
      continue
    }
    values = append(values, v)
    tempMap[v] = 1
  }
  return values
}