static MyStringId()
{
m_idByString = new Dictionary <string, MyStringId>(50);
m_stringById = new Dictionary <MyStringId, string>(50, Comparer);
NullOrEmpty = GetOrCompute("");
Debug.Assert(NullOrEmpty == default(MyStringId));
Debug.Assert(NullOrEmpty.m_id == MyLibraryUtils.GetHash(null));
Debug.Assert(NullOrEmpty.m_id == MyLibraryUtils.GetHash(""));
}
public static MyStringId GetOrCompute(string str)
{
MyStringId result;
if (str == null)
{
result = NullOrEmpty;
}
else if (!m_idByString.TryGetValue(str, out result))
{
result = new MyStringId(MyLibraryUtils.GetHash(str));
m_stringById.Add(result, str);
m_idByString.Add(str, result);
}
return(result);
}