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bit_util: Add bit utility function

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Extracts a singular bit, as a bool, from the specified compile-time index.
This commit is contained in:
Wunkolo 2022-02-23 10:08:32 -08:00
parent 6f670381cf
commit add2cfcb96
1 changed files with 7 additions and 0 deletions
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7
src/common/bit_util.h
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@ -57,4 +57,11 @@ requires std::is_integral_v<T>
return static_cast<T>(1ULL << ((8U * sizeof(T)) - std::countl_zero(value - 1U))); return static_cast<T>(1ULL << ((8U * sizeof(T)) - std::countl_zero(value - 1U)));
} }
template <size_t bit_index, typename T>
requires std::is_integral_v<T>
[[nodiscard]] constexpr bool Bit(const T value) {
static_assert(bit_index < BitSize<T>(), "bit_index must be smaller than size of T");
return ((value >> bit_index) & T(1)) == T(1);
}
} // namespace Common } // namespace Common