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[bit-page] Add a few operators

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This commit is contained in:
Behdad Esfahbod 2023-09-05 14:56:09 +03:00
parent a0b758f7d7
commit 0340ba1c50
1 changed files with 3 additions and 0 deletions
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3
src/hb-bit-page.hh
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@ -97,6 +97,7 @@ struct hb_bit_page_t
static inline constexpr unsigned len ()
{ return ARRAY_LENGTH_CONST (v); }
operator bool () const { return !is_empty (); }
bool is_empty () const
{
if (has_population ()) return !population;
@ -218,6 +219,7 @@ struct hb_bit_page_t
return count;
}
bool operator == (const hb_bit_page_t &other) const { return is_equal (other); }
bool is_equal (const hb_bit_page_t &other) const
{
for (unsigned i = 0; i < len (); i++)
@ -225,6 +227,7 @@ struct hb_bit_page_t
return false;
return true;
}
bool operator <= (const hb_bit_page_t &larger_page) const { return is_subset (larger_page); }
bool is_subset (const hb_bit_page_t &larger_page) const
{
if (has_population () && larger_page.has_population () &&