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Added extra macro to determine whether compiler has ref qualifiers

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This commit is contained in:
Marc 2020-10-11 15:23:17 +02:00
parent e06790cbee
commit faf4541dd8
1 changed files with 8 additions and 2 deletions
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10
include/fmt/format.h
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@ -272,6 +272,12 @@ FMT_END_NAMESPACE
# define FMT_DEPRECATED_NUMERIC_ALIGN 0
#endif
#ifdef __cpp_ref_qualifiers
# define FMT_METHOD_REF_QUALIFIER &
#else
# define FMT_METHOD_REF_QUALIFIER
#endif
FMT_BEGIN_NAMESPACE
namespace detail {
@ -828,7 +834,7 @@ struct FMT_EXTERN_TEMPLATE_API uint128_wrapper {
uint64_t high() const FMT_NOEXCEPT { return uint64_t(internal_ >> 64); }
uint64_t low() const FMT_NOEXCEPT { return uint64_t(internal_); }
uint128_wrapper& operator+=(uint64_t n) & FMT_NOEXCEPT {
uint128_wrapper& operator+=(uint64_t n) FMT_METHOD_REF_QUALIFIER FMT_NOEXCEPT {
internal_ += n;
return *this;
}
@ -842,7 +848,7 @@ struct FMT_EXTERN_TEMPLATE_API uint128_wrapper {
uint64_t high() const FMT_NOEXCEPT { return high_; }
uint64_t low() const FMT_NOEXCEPT { return low_; }
uint128_wrapper& operator+=(uint64_t n) & FMT_NOEXCEPT {
uint128_wrapper& operator+=(uint64_t n) FMT_METHOD_REF_QUALIFIER FMT_NOEXCEPT {
# if defined(_MSC_VER) && defined(_M_X64)
unsigned char carry = _addcarry_u64(0, low_, n, &low_);
_addcarry_u64(carry, high_, 0, &high_);