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[meta] Flesh out hb_invoke()

This commit is contained in:
Behdad Esfahbod 2019-04-16 11:24:42 -04:00
parent e03d9395aa
commit 4fc2d2d724
1 changed files with 12 additions and 2 deletions
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14
src/hb-algs.hh
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@ -75,11 +75,21 @@ struct
{
private:
// TODO Add overload to for pointer-to-member and pointer-to-member-function ala std::invoke
/* Pointer-to-member-function. */
template <typename Appl, typename Val> auto
impl (Appl&& a, Val &&v, hb_priority<1>) const HB_AUTO_RETURN_EXPR (hb_forward<Val> (v).*a ())
template <typename Appl, typename Val> auto
impl (Appl&& a, Val &&v, hb_priority<1>) const HB_AUTO_RETURN_EXPR (hb_forward<Val> (v)->*a ())
/* Pointer-to-member. */
template <typename Appl, typename Val> auto
impl (Appl&& a, Val &&v, hb_priority<1>) const HB_AUTO_RETURN_EXPR (hb_forward<Val> (v).*a)
template <typename Appl, typename Val> auto
impl (Appl&& a, Val &&v, hb_priority<1>) const HB_AUTO_RETURN_EXPR (hb_forward<Val> (v)->*a)
/* Operator(). */
template <typename Appl, typename Val> auto
impl (Appl&& a, Val &&v, hb_priority<1>) const HB_AUTO_RETURN_EXPR (a (hb_forward<Val> (v)))
template <typename Appl, typename Val> auto
impl (Appl&& a, Val &&v, hb_priority<0>) const HB_AUTO_RETURN_EXPR ((*a) (hb_forward<Val> (v)))