ladybird/AK/Error.h

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#pragma once
#include <AK/Platform.h>
namespace AK {
template <typename T, auto NoErrorValue>
class CONSUMABLE(unknown) Error {
public:
RETURN_TYPESTATE(unknown)
Error()
: t(NoErrorValue)
{}
RETURN_TYPESTATE(unknown)
Error(T t)
: t(t)
{}
RETURN_TYPESTATE(unknown)
Error(Error&& other)
: t(move(other.t))
{
}
RETURN_TYPESTATE(unknown)
Error(const Error& other)
: t(other.t)
{
}
CALLABLE_WHEN("unknown", "consumed")
~Error() {}
SET_TYPESTATE(consumed)
bool failed() const {
return t != NoErrorValue;
}
[[deprecated]]
SET_TYPESTATE(consumed)
void ignore() {}
const T& value() const { return t; }
bool operator==(const Error& o) { return t == o.t; }
bool operator!=(const Error& o) { return t != o.t; }
T t;
};
}
using AK::Error;