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juce_ContainerDeletePolicy.h
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2017 - ROLI Ltd.
6
7 JUCE is an open source library subject to commercial or open-source
8 licensing.
9
10 The code included in this file is provided under the terms of the ISC license
11 http://www.isc.org/downloads/software-support-policy/isc-license. Permission
12 To use, copy, modify, and/or distribute this software for any purpose with or
13 without fee is hereby granted provided that the above copyright notice and
14 this permission notice appear in all copies.
15
16 JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
17 EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
18 DISCLAIMED.
19
20 ==============================================================================
21*/
22
23 namespace juce
24{
25
26//==============================================================================
39 template <typename ObjectType>
40 struct ContainerDeletePolicy
41{
42 static void destroy (ObjectType* object)
43 {
44 // If the line below triggers a compiler error, it means that you are using
45 // an incomplete type for ObjectType (for example, a type that is declared
46 // but not defined). This is a problem because then the following delete is
47 // undefined behaviour. The purpose of the sizeof is to capture this situation.
48 // If this was caused by a OwnedArray of a forward-declared type, move the
49 // implementation of all methods trying to use the OwnedArray (e.g. the destructor
50 // of the class owning it) into cpp files where they can see to the definition
51 // of ObjectType. This should fix the error.
52 ignoreUnused (sizeof (ObjectType));
53
54 delete object;
55 }
56};
57
58} // namespace juce
juce::ContainerDeletePolicy
Definition: juce_ContainerDeletePolicy.h:41