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[set-digest] Add operator []. Also auto-initialize

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This commit is contained in:
Behdad Esfahbod 2024-05-11 09:25:22 -06:00
parent 3d75d445e4
commit 5158255807
1 changed files with 7 additions and 1 deletions
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8
src/hb-set-digest.hh
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@ -129,11 +129,14 @@ struct hb_set_digest_bits_pattern_t
bool may_have (hb_codepoint_t g) const
{ return mask & mask_for (g); }
bool operator [] (hb_codepoint_t g) const
{ return may_have (g); }
private:
static mask_t mask_for (hb_codepoint_t g)
{ return ((mask_t) 1) << ((g >> shift) & (mask_bits - 1)); }
mask_t mask;
mask_t mask = 0;
};
template <typename head_t, typename tail_t>
@ -188,6 +191,9 @@ struct hb_set_digest_combiner_t
return head.may_have (g) && tail.may_have (g);
}
bool operator [] (hb_codepoint_t g) const
{ return may_have (g); }
private:
head_t head;
tail_t tail;