Validate variable

[SerializeField]
float m_Number;

public float Number
{
  get { return m_Number;}
  set
  {
     float v=Mathf.Clamp01(value);
     if (m_Number!=v)
       m_Number=v;
  }
}

#if UNITY_EDITOR
        void OnValidate()
        {
            Number = m_Number;
        }
#endif