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util/Manual: add type aliases

This commit is contained in:
Max Kellermann 2022-05-31 16:08:47 +02:00 committed by Max Kellermann
parent f92bae887f
commit 826d1b207e
1 changed files with 16 additions and 10 deletions
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26
src/util/Manual.hxx
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@ -54,6 +54,12 @@ class Manual {
#endif
public:
using value_type = T;
using reference = T &;
using const_reference = const T &;
using pointer = T *;
using const_pointer = const T *;
#ifndef NDEBUG
~Manual() noexcept {
assert(!initialized);
@ -63,7 +69,7 @@ public:
/**
* Cast a value reference to the containing Manual instance.
*/
static constexpr Manual<T> &Cast(T &value) noexcept {
static constexpr Manual<T> &Cast(reference value) noexcept {
return reinterpret_cast<Manual<T> &>(value);
}
@ -82,7 +88,7 @@ public:
void Destruct() noexcept {
assert(initialized);
T &t = Get();
reference t = Get();
t.T::~T();
#ifndef NDEBUG
@ -90,33 +96,33 @@ public:
#endif
}
T &Get() noexcept {
reference Get() noexcept {
assert(initialized);
void *p = static_cast<void *>(data);
return *static_cast<T *>(p);
return *static_cast<pointer>(p);
}
const T &Get() const noexcept {
const_reference Get() const noexcept {
assert(initialized);
const void *p = static_cast<const void *>(data);
return *static_cast<const T *>(p);
return *static_cast<const_pointer>(p);
}
operator T &() noexcept {
operator reference() noexcept {
return Get();
}
operator const T &() const noexcept {
operator const_reference() const noexcept {
return Get();
}
T *operator->() noexcept {
pointer operator->() noexcept {
return &Get();
}
const T *operator->() const noexcept {
const_pointer operator->() const noexcept {
return &Get();
}
};