// 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.
Pix <T>Set::seek(<T&> item)
for (Pix i = first(); i != 0 && !(<T>EQ((*this)(i), item)); next(i));
int <T>Set::owns(Pix idx)
for (Pix i = first(); i; next(i)) if (i == idx) return 1;
int <T>Set::contains (<T&> item)
int <T>Set::operator <= (<T>Set& b)
if (count > b.count) return 0;
if (count == 0) return 1;
for (Pix i = first(); i; next(i)) if (b.seek((*this)(i)) == 0) return 0;
int <T>Set::operator == (<T>Set& b)
if (n != b.count) return 0;
if ((b.seek((*this)(i)) == 0) || (seek(b(j)) == 0)) return 0;
int <T>Set::operator != (<T>Set& b)
void <T>Set::operator |= (<T>Set& b)
for (Pix i = b.first(); i; b.next(i)) add(b(i));
void <T>Set::operator -= (<T>Set& b)
for (Pix i = b.first(); i; b.next(i)) del(b(i));
void <T>Set::operator &= (<T>Set& b)
if (b.seek((*this)(i)) == 0) del((*this)(i));
void <T>Set::error(const char* msg)
(*lib_error_handler)("Set", msg);