Simplify error_code

This commit is contained in:
Nekotekina 2018-08-24 14:01:53 +03:00
parent 56a165ecdc
commit 3aa6741b8c
1 changed files with 9 additions and 12 deletions

View File

@ -905,26 +905,23 @@ struct error_code
};
template<typename ET>
struct is_error<ET, std::void_t<decltype(ET::__not_an_error)>> : std::false_type
struct is_error<ET, std::enable_if_t<sizeof(ET::__not_an_error) != 0>> : std::false_type
{
};
// Not an error constructor
template<typename ET, typename = decltype(ET::__not_an_error)>
error_code(const ET& value, std::nullptr_t = nullptr)
// Common constructor
template<typename ET>
error_code(const ET& value)
: value(static_cast<s32>(value))
{
}
// Error constructor
template<typename ET, typename = std::enable_if_t<is_error<ET>::value>>
error_code(const ET& value)
: value(error_report(fmt::get_type_info<fmt_unveil_t<ET>>(), fmt_unveil<ET>::get(value), nullptr, 0))
{
if constexpr(is_error<ET>::value)
{
this->value = error_report(fmt::get_type_info<fmt_unveil_t<ET>>(), fmt_unveil<ET>::get(value), nullptr, 0);
}
}
// Error constructor (2 args)
template<typename ET, typename T2, typename = std::enable_if_t<is_error<ET>::value>>
template<typename ET, typename T2>
error_code(const ET& value, const T2& value2)
: value(error_report(fmt::get_type_info<fmt_unveil_t<ET>>(), fmt_unveil<ET>::get(value), fmt::get_type_info<fmt_unveil_t<T2>>(), fmt_unveil<T2>::get(value2)))
{