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Make enum_iterator bidirectional

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This commit is contained in:
Nikita Lisitsa 2022-02-19 23:03:55 +03:00
parent 466aa717ad
commit 6207df1e9b
1 changed files with 8 additions and 0 deletions
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8
libs/util/include/psemek/util/enum.hpp
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@ -53,6 +53,14 @@ namespace psemek::util
return copy; return copy;
} }
enum_iterator operator --() { --value; return *this; }
enum_iterator operator -- (int)
{
enum_iterator copy = *this;
--(*this);
return copy;
}
friend bool operator == (enum_iterator const & it1, enum_iterator const & it2) = default; friend bool operator == (enum_iterator const & it1, enum_iterator const & it2) = default;
friend bool operator != (enum_iterator const & it1, enum_iterator const & it2) = default; friend bool operator != (enum_iterator const & it1, enum_iterator const & it2) = default;
}; };