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Make FMT_ASSERT work in constexpr on clang 4.0.1

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This commit is contained in:
Victor Zverovich 2020-02-26 06:26:46 -08:00
parent 13d82e32bd
commit b2d3a86ec0
1 changed files with 7 additions and 9 deletions
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16
include/fmt/core.h
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@ -259,9 +259,9 @@ FMT_API void assert_fail(const char* file, int line, const char* message);
# ifdef NDEBUG
# define FMT_ASSERT(condition, message)
# else
# define FMT_ASSERT(condition, message) \
((condition) \
? void() \
# define FMT_ASSERT(condition, message) \
((condition) /* void() fails with -Winvalid-constexpr on clang 4.0.1 */ \
? (void)0 \
: ::fmt::internal::assert_fail(__FILE__, __LINE__, (message)))
# endif
#endif
@ -947,12 +947,10 @@ template <typename Context> struct arg_mapper {
map(static_cast<typename std::underlying_type<T>::type>(val))) {
return map(static_cast<typename std::underlying_type<T>::type>(val));
}
template <
typename T,
FMT_ENABLE_IF(
!is_string<T>::value && !is_char<T>::value &&
(has_formatter<T, Context>::value ||
has_fallback_formatter<T, Context>::value))>
template <typename T,
FMT_ENABLE_IF(!is_string<T>::value && !is_char<T>::value &&
(has_formatter<T, Context>::value ||
has_fallback_formatter<T, Context>::value))>
FMT_CONSTEXPR const T& map(const T& val) {
return val;
}