Squashed 'external/ircolib/' changes from ec06dab..7df4ec2

7df4ec2 clear bit

git-subtree-dir: external/ircolib
git-subtree-split: 7df4ec22463394c2763fef61b581b3d2980778ef

types.hpp

@@ -30,6 +30,11 @@ template <typename T>
 inline void set_bit(T &val, const std::size_t &bit) {
     val |= 1 << bit;
 }
+
+template <typename T>
+inline void clear_bit(T &val, const std::size_t &bit) {
+    val &= ~(1 << bit);
+}
 } // namespace ircolib
 
 constexpr ircolib::u32 operator""_kib(const unsigned long long v) { return v * 1024; }