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util/Manual: add `noexcept`

This commit is contained in:
Max Kellermann 2022-05-31 16:10:28 +02:00 committed by Max Kellermann
parent d2983b7fde
commit f92bae887f
1 changed files with 11 additions and 14 deletions
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25
src/util/Manual.hxx
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2013-2017 Max Kellermann <max.kellermann@gmail.com>
* Copyright 2013-2022 Max Kellermann <max.kellermann@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -27,8 +27,7 @@
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef MANUAL_HXX
#define MANUAL_HXX
#pragma once
#include <cassert>
#include <new>
@ -56,7 +55,7 @@ class Manual {
public:
#ifndef NDEBUG
~Manual() {
~Manual() noexcept {
assert(!initialized);
}
#endif
@ -64,7 +63,7 @@ public:
/**
* Cast a value reference to the containing Manual instance.
*/
static constexpr Manual<T> &Cast(T &value) {
static constexpr Manual<T> &Cast(T &value) noexcept {
return reinterpret_cast<Manual<T> &>(value);
}
@ -80,7 +79,7 @@ public:
#endif
}
void Destruct() {
void Destruct() noexcept {
assert(initialized);
T &t = Get();
@ -91,33 +90,33 @@ public:
#endif
}
T &Get() {
T &Get() noexcept {
assert(initialized);
void *p = static_cast<void *>(data);
return *static_cast<T *>(p);
}
const T &Get() const {
const T &Get() const noexcept {
assert(initialized);
const void *p = static_cast<const void *>(data);
return *static_cast<const T *>(p);
}
operator T &() {
operator T &() noexcept {
return Get();
}
operator const T &() const {
operator const T &() const noexcept {
return Get();
}
T *operator->() {
T *operator->() noexcept {
return &Get();
}
const T *operator->() const {
const T *operator->() const noexcept {
return &Get();
}
};
@ -125,5 +124,3 @@ public:
#if defined(__GNUC__) || defined(__clang__)
#pragma GCC diagnostic pop
#endif
#endif