fixed maybe unused result of std::from_chars result

Author: BestITUserEUW

include/oryx/chron/details/string_cast.hpp

@@ -9,8 +9,8 @@ namespace oryx::chron::details {
 template <typename T>
 auto StringCast(std::string_view sv) -> T {
     T value{};
-    auto [ptr, ec] = std::from_chars(sv.data(), sv.data() + sv.size(), value);
-    assert(ec == std::errc{} && "Casting to string failed misserably!");
+    [[maybe_unused]] auto result = std::from_chars(sv.data(), sv.data() + sv.size(), value);
+    assert(result.ec == std::errc{} && "Casting to string failed misserably!");
     return value;
 }