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Add FMT_ENABLE_IF_T again (from #1150)

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This commit is contained in:
mocabe 2019-06-03 13:51:12 +09:00
parent d54e64b3c8
commit 8570ec1539
3 changed files with 5 additions and 4 deletions
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5
include/fmt/core.h
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@ -204,9 +204,10 @@ FMT_BEGIN_NAMESPACE
template <bool B, class T = void>
using enable_if_t = typename std::enable_if<B, T>::type;
// An enable_if helper to be used in template parameters which results in much
// enable_if helpers to be used in template parameters which results in much
// shorter symbols: https://godbolt.org/z/sWw4vP.
#define FMT_ENABLE_IF(...) enable_if_t<__VA_ARGS__, int> = 0
#define FMT_ENABLE_IF_T(...) enable_if_t<__VA_ARGS__, int>
#define FMT_ENABLE_IF(...) FMT_ENABLE_IF_T(__VA_ARGS__) = 0
namespace internal {

2
include/fmt/format-inl.h
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@ -674,7 +674,7 @@ template <int GRISU_VERSION> struct grisu_shortest_handler {
}
};
template <typename Double, enable_if_t<sizeof(Double) == sizeof(uint64_t), int>>
template <typename Double, FMT_ENABLE_IF_T(sizeof(Double) == sizeof(uint64_t))>
FMT_API bool grisu_format(Double value, buffer<char>& buf, int precision,
unsigned options, int& exp) {
FMT_ASSERT(value >= 0, "value is negative");

2
include/fmt/format.h
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@ -2246,7 +2246,7 @@ FMT_CONSTEXPR bool do_check_format_string(basic_string_view<Char> s,
}
template <typename... Args, typename S,
enable_if_t<is_compile_string<S>::value, int>>
FMT_ENABLE_IF_T(is_compile_string<S>::value)>
void check_format_string(S format_str) {
typedef typename S::char_type char_t;
FMT_CONSTEXPR_DECL bool invalid_format =