diff options
Diffstat (limited to 'thirdparty/harfbuzz/src/hb-meta.hh')
| -rw-r--r-- | thirdparty/harfbuzz/src/hb-meta.hh | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/thirdparty/harfbuzz/src/hb-meta.hh b/thirdparty/harfbuzz/src/hb-meta.hh index e40d9fd178..a714bc2bf0 100644 --- a/thirdparty/harfbuzz/src/hb-meta.hh +++ b/thirdparty/harfbuzz/src/hb-meta.hh @@ -101,14 +101,14 @@ HB_FUNCOBJ (hb_addressof); template <typename T> static inline T hb_declval (); #define hb_declval(T) (hb_declval<T> ()) -template <typename T> struct hb_match_const : hb_type_identity_t<T>, hb_bool_constant<false>{}; -template <typename T> struct hb_match_const<const T> : hb_type_identity_t<T>, hb_bool_constant<true> {}; +template <typename T> struct hb_match_const : hb_type_identity_t<T>, hb_false_type {}; +template <typename T> struct hb_match_const<const T> : hb_type_identity_t<T>, hb_true_type {}; template <typename T> using hb_remove_const = typename hb_match_const<T>::type; template <typename T> using hb_add_const = const T; #define hb_is_const(T) hb_match_const<T>::value -template <typename T> struct hb_match_reference : hb_type_identity_t<T>, hb_bool_constant<false>{}; -template <typename T> struct hb_match_reference<T &> : hb_type_identity_t<T>, hb_bool_constant<true> {}; -template <typename T> struct hb_match_reference<T &&> : hb_type_identity_t<T>, hb_bool_constant<true> {}; +template <typename T> struct hb_match_reference : hb_type_identity_t<T>, hb_false_type {}; +template <typename T> struct hb_match_reference<T &> : hb_type_identity_t<T>, hb_true_type {}; +template <typename T> struct hb_match_reference<T &&> : hb_type_identity_t<T>, hb_true_type {}; template <typename T> using hb_remove_reference = typename hb_match_reference<T>::type; template <typename T> auto _hb_try_add_lvalue_reference (hb_priority<1>) -> hb_type_identity<T&>; template <typename T> auto _hb_try_add_lvalue_reference (hb_priority<0>) -> hb_type_identity<T>; @@ -117,8 +117,8 @@ template <typename T> auto _hb_try_add_rvalue_reference (hb_priority<1>) -> hb_t template <typename T> auto _hb_try_add_rvalue_reference (hb_priority<0>) -> hb_type_identity<T>; template <typename T> using hb_add_rvalue_reference = decltype (_hb_try_add_rvalue_reference<T> (hb_prioritize)); #define hb_is_reference(T) hb_match_reference<T>::value -template <typename T> struct hb_match_pointer : hb_type_identity_t<T>, hb_bool_constant<false>{}; -template <typename T> struct hb_match_pointer<T *> : hb_type_identity_t<T>, hb_bool_constant<true> {}; +template <typename T> struct hb_match_pointer : hb_type_identity_t<T>, hb_false_type {}; +template <typename T> struct hb_match_pointer<T *> : hb_type_identity_t<T>, hb_true_type {}; template <typename T> using hb_remove_pointer = typename hb_match_pointer<T>::type; template <typename T> auto _hb_try_add_pointer (hb_priority<1>) -> hb_type_identity<hb_remove_reference<T>*>; template <typename T> auto _hb_try_add_pointer (hb_priority<1>) -> hb_type_identity<T>; @@ -259,15 +259,15 @@ using hb_is_arithmetic = hb_bool_constant< #define hb_is_arithmetic(T) hb_is_arithmetic<T>::value -template <typename T> -using hb_is_signed = hb_conditional<hb_is_arithmetic (T), - hb_bool_constant<(T) -1 < (T) 0>, - hb_false_type>; +template <typename T, bool is_arithmetic> struct hb_is_signed_; +template <typename T> struct hb_is_signed_<T, false> : hb_false_type {}; +template <typename T> struct hb_is_signed_<T, true> : hb_bool_constant<(T) -1 < (T) 0> {}; +template <typename T> struct hb_is_signed : hb_is_signed_<T, hb_is_arithmetic (T)> {}; #define hb_is_signed(T) hb_is_signed<T>::value -template <typename T> -using hb_is_unsigned = hb_conditional<hb_is_arithmetic (T), - hb_bool_constant<(T) 0 < (T) -1>, - hb_false_type>; +template <typename T, bool is_arithmetic> struct hb_is_unsigned_; +template <typename T> struct hb_is_unsigned_<T, false> : hb_false_type {}; +template <typename T> struct hb_is_unsigned_<T, true> : hb_bool_constant<(T) 0 < (T) -1> {}; +template <typename T> struct hb_is_unsigned : hb_is_unsigned_<T, hb_is_arithmetic (T)> {}; #define hb_is_unsigned(T) hb_is_unsigned<T>::value template <typename T> struct hb_int_min; @@ -282,6 +282,7 @@ template <> struct hb_int_min<signed long> : hb_integral_constant<signed long, template <> struct hb_int_min<unsigned long> : hb_integral_constant<unsigned long, 0> {}; template <> struct hb_int_min<signed long long> : hb_integral_constant<signed long long, LLONG_MIN> {}; template <> struct hb_int_min<unsigned long long> : hb_integral_constant<unsigned long long, 0> {}; +template <typename T> struct hb_int_min<T *> : hb_integral_constant<T *, nullptr> {}; #define hb_int_min(T) hb_int_min<T>::value template <typename T> struct hb_int_max; template <> struct hb_int_max<char> : hb_integral_constant<char, CHAR_MAX> {}; |