DOLFIN
DOLFIN C++ interface
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NoDeleter.h
1// Copyright (C) 2008 Garth N. Wells
2//
3// This file is part of DOLFIN.
4//
5// DOLFIN is free software: you can redistribute it and/or modify
6// it under the terms of the GNU Lesser General Public License as published by
7// the Free Software Foundation, either version 3 of the License, or
8// (at your option) any later version.
9//
10// DOLFIN is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13// GNU Lesser General Public License for more details.
14//
15// You should have received a copy of the GNU Lesser General Public License
16// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
17//
18// Modified by Martin Alnes, 2008.
19//
20// First added: 2008-09-11
21// Last changed: 2011-01-28
22
23#ifndef __NO_DELETER_H
24#define __NO_DELETER_H
25
26#include <memory>
27
28namespace dolfin
29{
30
32
34 {
35 public:
37 void operator() (const void *) {}
38 };
39
41
42 template <typename T>
43 std::shared_ptr<T> reference_to_no_delete_pointer(T& r)
44 {
45 return std::shared_ptr<T>(&r, NoDeleter());
46 }
47
48}
49
50#endif
NoDeleter is a customised deleter intended for use with smart pointers.
Definition NoDeleter.h:34
void operator()(const void *)
Do nothing.
Definition NoDeleter.h:37
Definition adapt.h:30
std::shared_ptr< T > reference_to_no_delete_pointer(T &r)
Helper function to construct shared pointer with NoDeleter with cleaner syntax.
Definition NoDeleter.h:43