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Refactor and improve CTL and other code

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Justine Tunney 2024-06-04 05:41:53 -07:00
parent 1d8f37a2f0
commit 9906f299bb
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GPG key ID: BE714B4575D6E328
25 changed files with 5768 additions and 5350 deletions
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24
ctl/optional.h
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@ -6,39 +6,41 @@
#include <__utility/move.h>
#include <__utility/swap.h>
namespace ctl {
template<typename T>
class Optional
class optional
{
public:
using value_type = T;
~Optional() = default;
~optional() = default;
Optional() noexcept : present_(false)
optional() noexcept : present_(false)
{
}
Optional(const T& value) : present_(true), value_(value)
optional(const T& value) : present_(true), value_(value)
{
}
Optional(T&& value) : present_(true), value_(std::move(value))
optional(T&& value) : present_(true), value_(std::move(value))
{
}
Optional(const Optional& other) : present_(other.present_)
optional(const optional& other) : present_(other.present_)
{
if (present_)
new (&value_) T(other.value_);
}
Optional(Optional&& other) noexcept : present_(other.present_)
optional(optional&& other) noexcept : present_(other.present_)
{
if (present_)
value_ = std::move(other.value_);
}
Optional& operator=(const Optional& other)
optional& operator=(const optional& other)
{
if (this != &other) {
present_ = other.present_;
@ -48,7 +50,7 @@ class Optional
return *this;
}
Optional& operator=(Optional&& other) noexcept
optional& operator=(optional&& other) noexcept
{
if (this != &other) {
present_ = other.present_;
@ -104,7 +106,7 @@ class Optional
value_ = T(std::forward<Args>(args)...);
}
void swap(Optional& other) noexcept
void swap(optional& other) noexcept
{
if (present_ && other.present_) {
std::swap(value_, other.value_);
@ -122,4 +124,6 @@ class Optional
T value_;
};
} // namespace ctl
#endif // COSMOPOLITAN_CTL_OPTIONAL_H_