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juce_ScopeGuard.h
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2022 - Raw Material Software Limited
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
52 template <typename Fn> struct ScopeGuard : Fn { ~ScopeGuard() { Fn::operator()(); } };
53 template <typename Fn> ScopeGuard (Fn) -> ScopeGuard<Fn>;
54
76 class [[nodiscard]] ErasedScopeGuard
77{
78 public:
80 ErasedScopeGuard() = default;
81
85 explicit ErasedScopeGuard (std::function<void()> d);
86
88 ErasedScopeGuard (ErasedScopeGuard&& other) noexcept;
89
93 ErasedScopeGuard& operator= (ErasedScopeGuard&& other) noexcept;
94
97 ~ErasedScopeGuard() noexcept;
98
102 void reset();
103
107 void release();
108
109 JUCE_DECLARE_NON_COPYABLE (ErasedScopeGuard)
110
111private:
112 std::function<void()> detach;
113};
114
115} // namespace juce
juce::ErasedScopeGuard
Definition juce_ScopeGuard.h:77
juce::ErasedScopeGuard::ErasedScopeGuard
ErasedScopeGuard()=default
juce::ScopeGuard
Definition juce_ScopeGuard.h:52