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[kutil] Add bitfiled::has() for non-marked enums

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Added a simple helper function for testing non-marked enum bitfields.
This commit is contained in:
Justin C. Miller
2021-07-25 23:30:37 -07:00
parent b88cd1d41f
commit ec9e34c970
1 changed files with 10 additions and 0 deletions
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10
src/libraries/kutil/include/kutil/enum_bitfields.h
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@@ -86,6 +86,16 @@ template <typename E>
constexpr typename std::enable_if<is_enum_bitfield(E{}),bool>::type constexpr typename std::enable_if<is_enum_bitfield(E{}),bool>::type
operator && (E rhs, E lhs) { return (rhs & lhs) == lhs; } operator && (E rhs, E lhs) { return (rhs & lhs) == lhs; }
/// Generic 'has' for non-marked bitfields
template <typename E, typename F>
constexpr bool has(E set, F flags)
{
return
(static_cast<typename integral<E>::type>(set) &
static_cast<typename integral<F>::type>(flags)) ==
static_cast<typename integral<F>::type>(flags);
}
} // namespace bitfields } // namespace bitfields
} // namespace kutil } // namespace kutil