Add some useful scoped types in raii.hpp header

This commit is contained in:
Danny Robson 2012-05-03 18:09:51 +10:00
parent 100af04e77
commit 23a103a56c
2 changed files with 55 additions and 0 deletions

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@ -71,6 +71,7 @@ UTIL_FILES = \
pool.cpp \ pool.cpp \
pool.hpp \ pool.hpp \
preprocessor.hpp \ preprocessor.hpp \
raii.hpp \
random.cpp \ random.cpp \
random.hpp \ random.hpp \
range.cpp \ range.cpp \

54
raii.hpp Normal file
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@ -0,0 +1,54 @@
/*
* This file is part of libgim.
*
* libgim is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* libgim 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with libgim. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2012 Danny Robson <danny@nerdcruft.net>
*/
#ifndef __UTIL_RAII_HPP
#define __UTIL_RAII_HPP
#include "preprocessor.hpp"
#define raii CONCATENATE(__unique_, __COUNTER__)
namespace util {
template <typename T>
struct scoped_counter {
scoped_counter (T &_counter):
counter (_counter)
{ ++counter; }
~scoped_counter ()
{ --counter; }
T &counter;
};
template <typename T>
struct scoped_function {
scoped_function (T &&_func):
func (std::move (_func))
{ ; }
~scoped_function ()
{ func (); }
T func;
};
}
#endif