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[meta] Move hb_invoke from algs to meta

This commit is contained in:
Behdad Esfahbod 2019-05-07 22:29:40 -07:00
parent af571dbffc
commit e8bd5fc3fa
2 changed files with 32 additions and 31 deletions
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31
src/hb-algs.hh
View File

@ -69,37 +69,6 @@ struct
} }
HB_FUNCOBJ (hb_hash); HB_FUNCOBJ (hb_hash);
struct
{
private:
/* Pointer-to-member-function. */
template <typename Appl, typename T, typename ...Ts> auto
impl (Appl&& a, hb_priority<2>, T &&v, Ts&&... ds) const HB_AUTO_RETURN
((hb_deref (hb_forward<T> (v)).*hb_forward<Appl> (a)) (hb_forward<Ts> (ds)...))
/* Pointer-to-member. */
template <typename Appl, typename T> auto
impl (Appl&& a, hb_priority<1>, T &&v) const HB_AUTO_RETURN
((hb_deref (hb_forward<T> (v))).*hb_forward<Appl> (a))
/* Operator(). */
template <typename Appl, typename ...Ts> auto
impl (Appl&& a, hb_priority<0>, Ts&&... ds) const HB_AUTO_RETURN
(hb_deref (hb_forward<Appl> (a)) (hb_forward<Ts> (ds)...))
public:
template <typename Appl, typename ...Ts> auto
operator () (Appl&& a, Ts&&... ds) const HB_AUTO_RETURN
(
impl (hb_forward<Appl> (a),
hb_prioritize,
hb_forward<Ts> (ds)...)
)
}
HB_FUNCOBJ (hb_invoke);
struct struct
{ {
private: private:

32
src/hb-meta.hh
View File

@ -211,4 +211,36 @@ template <> struct hb_is_integer<unsigned long long> { enum { value = true }; };
#define hb_is_integer(T) hb_is_integer<T>::value #define hb_is_integer(T) hb_is_integer<T>::value
struct
{
private:
/* Pointer-to-member-function. */
template <typename Appl, typename T, typename ...Ts> auto
impl (Appl&& a, hb_priority<2>, T &&v, Ts&&... ds) const HB_AUTO_RETURN
((hb_deref (hb_forward<T> (v)).*hb_forward<Appl> (a)) (hb_forward<Ts> (ds)...))
/* Pointer-to-member. */
template <typename Appl, typename T> auto
impl (Appl&& a, hb_priority<1>, T &&v) const HB_AUTO_RETURN
((hb_deref (hb_forward<T> (v))).*hb_forward<Appl> (a))
/* Operator(). */
template <typename Appl, typename ...Ts> auto
impl (Appl&& a, hb_priority<0>, Ts&&... ds) const HB_AUTO_RETURN
(hb_deref (hb_forward<Appl> (a)) (hb_forward<Ts> (ds)...))
public:
template <typename Appl, typename ...Ts> auto
operator () (Appl&& a, Ts&&... ds) const HB_AUTO_RETURN
(
impl (hb_forward<Appl> (a),
hb_prioritize,
hb_forward<Ts> (ds)...)
)
}
HB_FUNCOBJ (hb_invoke);
#endif /* HB_META_HH */ #endif /* HB_META_HH */