Workaround a bug in msvc

This commit is contained in:
Victor Zverovich 2020-07-30 11:13:54 -07:00
parent 51d05521e9
commit a3dfd6f927

View File

@ -732,17 +732,17 @@ class FMT_API format_error : public std::runtime_error {
namespace detail {
template <typename T>
constexpr bool is_signed() {
return std::numeric_limits<T>::is_signed || std::is_same<T, int128_t>();
}
using is_signed =
std::integral_constant<bool, std::numeric_limits<T>::is_signed ||
std::is_same<T, int128_t>::value>;
// Returns true if value is negative, false otherwise.
// Same as `value < 0` but doesn't produce warnings if T is an unsigned type.
template <typename T, FMT_ENABLE_IF(is_signed<T>())>
template <typename T, FMT_ENABLE_IF(is_signed<T>::value)>
FMT_CONSTEXPR bool is_negative(T value) {
return value < 0;
}
template <typename T, FMT_ENABLE_IF(!is_signed<T>())>
template <typename T, FMT_ENABLE_IF(!is_signed<T>::value)>
FMT_CONSTEXPR bool is_negative(T) {
return false;
}