return (eTwoByte==aDest.mCharSize) ? aDest.mUStr[anIndex] : aDest.mStr[anIndex];
return (eTwoByte==aDest.mCharSize) ? aDest.mUStr[anIndex] : (PRUnichar)aDest.mStr[anIndex];
inline PRUnichar GetCharAt(const nsStr& aDest,PRUint32 anIndex){  if(anIndex<aDest.mLength)  {    return (eTwoByte==aDest.mCharSize) ? aDest.mUStr[anIndex] : aDest.mStr[anIndex];  }//if  return 0;}