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[meta] Capture rvalue-references in is_reference / remove_reference

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Behdad Esfahbod 2019-05-08 14:44:11 -07:00
parent 7166bd5634
commit a17f0fa3a1
1 changed files with 1 additions and 0 deletions
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src/hb-meta.hh
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@ -93,6 +93,7 @@ template <typename T> using hb_remove_const = typename hb_match_const<T>::type;
#define hb_is_const(T) hb_match_const<T>::value
template <typename T> struct hb_match_reference { typedef T type; enum { value = false }; };
template <typename T> struct hb_match_reference<T &> { typedef T type; enum { value = true }; };
template <typename T> struct hb_match_reference<T &&> { typedef T type; enum { value = true }; };
template <typename T> using hb_remove_reference = typename hb_match_reference<T>::type;
#define hb_is_reference(T) hb_match_reference<T>::value
template <typename T> struct hb_match_pointer { typedef T type; enum { value = false }; };