Declared and defined in file: hzString.cpp

Function Logic:

Function body:

hzString operator+ (hzString a)hzString b, 
{
   _hzfunc("friend hzString operator+(1)") ;
   hzString    r ;     //  Return new string as concatenation of hzStrings a and b
   r = a ;
   r += b ;
   return r ;
}