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fun/p2v/iota.hh
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// Copyright (C) 2007, 2008, 2009 EPITA Research and Development Laboratory (LRDE)
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//
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// This file is part of Olena.
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//
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// Olena is free software: you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation, version 2 of the License.
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//
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// Olena is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Olena. If not, see <http://www.gnu.org/licenses/>.
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//
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// As a special exception, you may use this file as part of a free
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// software project without restriction. Specifically, if other files
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// instantiate templates or use macros or inline functions from this
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// file, or you compile this file and link it with other files to produce
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// an executable, this file does not by itself cause the resulting
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// executable to be covered by the GNU General Public License. This
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// exception does not however invalidate any other reasons why the
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// executable file might be covered by the GNU General Public License.
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#ifndef MLN_FUN_P2V_IOTA_HH
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# define MLN_FUN_P2V_IOTA_HH
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# include <mln/core/concept/function.hh>
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namespace
mln
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{
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namespace
fun
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{
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namespace
p2v
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{
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struct
iota
:
public
Function_v2v< iota >
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{
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typedef
unsigned
result;
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iota
();
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template
<
typename
P>
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unsigned
operator()(
const
P&)
const
;
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unsigned
value
()
const
;
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void
reset()
const
;
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protected
:
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mutable
unsigned
i_;
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};
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# ifndef MLN_INCLUDE_ONLY
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inline
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iota::iota()
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{
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reset();
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}
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template
<
typename
P>
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inline
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unsigned
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iota::operator()(
const
P&)
const
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{
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return
++i_;
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}
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inline
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unsigned
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iota::value()
const
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{
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return
i_;
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}
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inline
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void
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iota::reset()
const
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{
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i_ = 0;
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}
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# endif // ! MLN_INCLUDE_ONLY
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}
// end of namespace mln::fun::p2v
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}
// end of namespace mln::fun
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}
// end of namespace mln
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#endif // ! MLN_FUN_P2V_IOTA_HH
mln
fun
p2v
iota.hh
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