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for_each flag_set #114

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for_each flag_set #114

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12 changes: 12 additions & 0 deletions include/type_safe/flag_set.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -559,6 +559,18 @@ class flag_set
return flags_.to_int();
}

template <typename UnaryFunction>
TYPE_SAFE_CONSTEXPR14 UnaryFunction for_each(UnaryFunction f) const {
using int_type = typename detail::flag_set_impl<Enum>::int_type;
int_type m = flags_.to_int();
for (int_type i = 0; i < std::numeric_limits<int_type>::digits; ++i) {
if ((m & int_type(int_type(1u) << i)) != int_type(0u)) {
f(static_cast<Enum>(i));
}
}
return f;
}

//=== bitwise operations ===//
/// \returns A set with all the flags flipped.
constexpr flag_set operator~() const noexcept
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