///////    File: ArbL_ac.C    ///////
#include "ArbL_ac.h"

// generic list with assignment and copy
// a friend class of ArbList

// assignment
ArbList_ac& ArbList_ac::operator =(const ArbList& x)
{   if ( &x == this ) return(*this);
    if ( ! is_empty() ) free();
    copy(x);
    return(*this);
}

void ArbList_ac::copy(const ArbList& x)
{   equal = x.equal;           // copy data members
    dispfn = x.dispfn;
    ArbCell* lx = x.first();
    head = NULL;               // empty list 
    ArbCell* p = head;
    while ( ! is_end(lx) )     // copy list
    {    insert(ArbList::content(lx), p);
         p = ArbList::next(p);
         lx = ArbList::next(lx);
    }

}