nsSubsumeCStr& operator=( const nsSubsumeCStr& aString )              { Assign(aString); return *this; }
nsCAutoString& operator=( const nsPromiseReadable<char>& aReadable )  { Assign(aReadable); return *this; }
  nsSubsumeCStr& operator=( const nsSubsumeCStr& aString )              { Assign(aString); return *this; }