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use concepts instead of SFINAE

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This commit is contained in:
oltolm
2025-11-21 00:00:03 +01:00
committed by Radosław Gliński
parent d78bc3a789
commit 492fa7c632
3 changed files with 22 additions and 24 deletions
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23
src/xenia/base/chrono.h
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@@ -75,11 +75,10 @@ struct NtSystemClock {
}
// To convert XSystemClock to sys, do clock_cast<WinSystemTime>(tp) first
// SFINAE hack https://stackoverflow.com/a/58813009
template <Domain domain_fresh_ = domain_>
static constexpr std::enable_if_t<domain_fresh_ == Domain::Host,
std::chrono::system_clock::time_point>
to_sys(const time_point& tp) {
static constexpr std::chrono::system_clock::time_point to_sys(
const time_point& tp)
requires(domain_ == Domain::Host)
{
using sys_duration = std::chrono::system_clock::duration;
using sys_time = std::chrono::system_clock::time_point;
@@ -91,17 +90,15 @@ struct NtSystemClock {
// TODO(Gliniak): Disable until WINE will implement tzdb.
/*
template <Domain domain_fresh_ = domain_>
static constexpr std::enable_if_t<
domain_fresh_ == Domain::Host,
std::chrono::local_time<std::chrono::system_clock::duration>>
to_local(const time_point& tp) {
static constexpr std::chrono::local_time<std::chrono::system_clock::duration>
to_local(const time_point& tp) requires (domain_ == Domain::Host) {
return std::chrono::current_zone()->to_local(to_sys(tp));
}*/
template <Domain domain_fresh_ = domain_>
static constexpr std::enable_if_t<domain_fresh_ == Domain::Host, time_point>
from_sys(const std::chrono::system_clock::time_point& tp) {
static constexpr time_point from_sys(
const std::chrono::system_clock::time_point& tp)
requires(domain_ == Domain::Host)
{
auto ctp = std::chrono::time_point_cast<duration>(tp);
auto dp = time_point{ctp.time_since_epoch()};
dp -= unix_epoch_delta();