Method assign

src/common/classes/stack.h:712–722

		}

		void assign(Stack<Object, Capacity>& v)
		{
			delete stk;
			stk = v.stk ? v.stk->dup(getPool()) : 0;

			if (stk)
			{
				delete stk_cache;
				stk_cache = 0;
			}
		}

		void clear()
		{