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Add conditional_t for pre-C++14

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This commit is contained in:
Victor Zverovich
2019-06-04 18:50:30 -07:00
parent 4aa0dc578b
commit c264e641ea
6 changed files with 36 additions and 40 deletions
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include/fmt/printf.h
+4 -5
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@@ -91,15 +91,14 @@ class arg_converter : public function<void> {
template <typename U, FMT_ENABLE_IF(std::is_integral<U>::value)>
void operator()(U value) {
bool is_signed = type_ == 'd' || type_ == 'i';
typedef typename std::conditional<std::is_same<T, void>::value, U, T>::type
TargetType;
if (const_check(sizeof(TargetType) <= sizeof(int))) {
using target_type = conditional_t<std::is_same<T, void>::value, U, T>;
if (const_check(sizeof(target_type) <= sizeof(int))) {
// Extra casts are used to silence warnings.
if (is_signed) {
arg_ = internal::make_arg<Context>(
static_cast<int>(static_cast<TargetType>(value)));
static_cast<int>(static_cast<target_type>(value)));
} else {
typedef typename make_unsigned_or_bool<TargetType>::type Unsigned;
typedef typename make_unsigned_or_bool<target_type>::type Unsigned;
arg_ = internal::make_arg<Context>(
static_cast<unsigned>(static_cast<Unsigned>(value)));
}