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rsx: Improve performance by using an integral type to indicate error

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kd-11 2023-01-03 22:32:19 +03:00 • committed by kd-11
parent f6027719d2
commit a272f3e3b9
3 changed files with 37 additions and 13 deletions
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36
rpcs3/Emu/RSX/Common/expected.hpp
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@ -5,13 +5,37 @@
namespace rsx
{
template <typename E>
concept ErrorType = requires (E& e)
{
{ e.empty() } -> std::same_as<bool>;
};
namespace exception_utils
{
enum soft_exception_error_code
{
none = 0,
range_exception = 1,
invalid_enum = 2
};
template <typename T, ErrorType E = std::string>
struct soft_exception_t
{
soft_exception_error_code error = soft_exception_error_code::none;
soft_exception_t() = default;
soft_exception_t(soft_exception_error_code code)
: error(code) {}
bool empty() const
{
return error == soft_exception_error_code::none;
}
};
}
template <typename E>
concept ErrorType = requires (E & e)
{
{ e.empty() } -> std::same_as<bool>;
};
template <typename T, ErrorType E = exception_utils::soft_exception_t>
class expected
{
T value;