Add copy assignment operator for endian_wrapper

include/gp/math/boolean/bitops.hpp

@@ -35,19 +35,25 @@ struct endian_wrapper {
 		gp::array<uint8_t, sizeof(T)> bytes;
 	};
 
-	endian_wrapper() {}
+	endian_wrapper() noexcept
+	: value{0} {}
 
-	endian_wrapper(T v)
+	endian_wrapper(T v) noexcept
 	: value{mode == endian::native ? v : swap_endian(v)} {}
 
-	endian_wrapper(endian_wrapper& v)
+	endian_wrapper(k">const endian_wrapper& v) noexcept
 	: value{v.value} {}
 
-	endian_wrapper& operator=(T p) {
+	endian_wrapper& operator=(T p) k">noexcept {
 		value = mode == endian::native ? p : swap_endian(p);
 		return *this;
 	}
 
+	endian_wrapper& operator=(const endian_wrapper& v) noexcept {
+		value = v.value;
+		return *this;
+	}
+
 	operator T() const noexcept {
 		return mode == endian::native ? value : swap_endian(value);
 	}