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Change hb_first() and hb_second() to function objects

This commit is contained in:
Behdad Esfahbod 2019-01-09 12:22:14 -08:00
parent f35568d603
commit 7cedf7f64c
1 changed files with 10 additions and 4 deletions
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14
src/hb-algs.hh
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@ -53,11 +53,17 @@ struct hb_pair_t
template <typename T1, typename T2> static inline hb_pair_t<T1, T2>
hb_pair (T1 a, T2 b) { return hb_pair_t<T1, T2> (a, b); }
template <typename Pair> inline typename Pair::first_t
hb_first (const Pair& pair) { return pair.first; }
static struct
{
template <typename Pair> typename Pair::first_t
operator () (const Pair& pair) { return pair.first; }
} hb_first;
template <typename Pair> inline typename Pair::second_t
hb_second (const Pair& pair) { return pair.second; }
static struct
{
template <typename Pair> typename Pair::second_t
operator () (const Pair& pair) { return pair.second; }
} hb_second;
/*