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- // This may look like C code, but it is really -*- C++ -*-
- /*
- Copyright (C) 1988 Free Software Foundation
- written by Doug Lea (dl@rocky.oswego.edu)
-
- This file is part of the GNU C++ Library. This library is free
- software; you can redistribute it and/or modify it under the terms of
- the GNU Library General Public License as published by the Free
- Software Foundation; either version 2 of the License, or (at your
- option) any later version. This library is distributed in the hope
- that it will be useful, but WITHOUT ANY WARRANTY; without even the
- implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- PURPOSE. See the GNU Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free Software
- Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-
- #ifndef _<T>Stack_h
- #ifdef __GNUG__
- #pragma interface
- #endif
- #define _<T>Stack_h
-
- #include <builtin.h>
-
- #include "<T>.defs.h"
-
- class <T>Stack
- {
- public:
- <T>Stack() { }
- virtual ~<T>Stack();
-
- virtual void push(<T&> item) = 0;
- virtual <T> pop() = 0;
- virtual <T>& top() = 0;
- virtual void del_top() = 0;
-
- virtual int empty() = 0;
- virtual int full() = 0;
- virtual int length() = 0;
-
- virtual void clear() = 0;
-
- void error(const char*);
- virtual int OK() = 0;
- };
-
- #endif
-