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[iter] Allow hb_len() to fetch c.len as non-function

This commit is contained in:
Behdad Esfahbod 2023-01-26 12:11:35 -07:00
parent 8d29be39b2
commit e1dc4920ee
1 changed files with 9 additions and 3 deletions
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12
src/hb-iter.hh
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@ -172,10 +172,16 @@ struct
HB_FUNCOBJ (hb_iter);
struct
{
template <typename T> unsigned
operator () (T&& c) const
{ return c.len (); }
template <typename T> auto
impl (T&& c, hb_priority<1>) const HB_RETURN (unsigned, c.len ())
template <typename T> auto
impl (T&& c, hb_priority<0>) const HB_RETURN (unsigned, c.len)
public:
template <typename T> auto
operator () (T&& c) const HB_RETURN (unsigned, impl (std::forward<T> (c), hb_prioritize))
}
HB_FUNCOBJ (hb_len);