code: func (e EnvVar) Get(key string) string {
  	for _, v := range e {
  		env := strings.SplitN(v, "=", 2)
  		if len(env) < 2 {
  			continue
  		}
  		if env[0] == key {
  			return env[1]
  		}
  	}
  	return ""
  }
docs: // Get retrieves the environment variable key