common/alignment: Upgrade to use constraints instead of static asserts

src/common/alignment.h

@@ -9,8 +9,7 @@
 namespace Common {
 
 template <typename T>
-[[nodiscard]] constexpr T AlignUp(T value, std::size_t size) {
-    static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
+requires std::is_unsigned_v<T>[[nodiscard]] constexpr T AlignUp(T value, size_t size) {
     auto mod{static_cast<T>(value % size)};
     value -= mod;
     return static_cast<T>(mod == T{0} ? value : value + size);
@@ -22,36 +21,33 @@ requires std::is_unsigned_v<T>[[nodiscard]] constexpr T AlignUpLog2(T value, siz
 }
 
 template <typename T>
-[[nodiscard]] constexpr T AlignDown(T value, std::size_t size) {
-    static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
+requires std::is_unsigned_v<T>[[nodiscard]] constexpr T AlignDown(T value, size_t size) {
     return static_cast<T>(value - value % size);
 }
 
 template <typename T>
-[[nodiscard]] constexpr bool Is4KBAligned(T value) {
-    static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
+requires std::is_unsigned_v<T>[[nodiscard]] constexpr bool Is4KBAligned(T value) {
     return (value & 0xFFF) == 0;
 }
 
 template <typename T>
-[[nodiscard]] constexpr bool IsWordAligned(T value) {
-    static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
+requires std::is_unsigned_v<T>[[nodiscard]] constexpr bool IsWordAligned(T value) {
     return (value & 0b11) == 0;
 }
 
 template <typename T>
-[[nodiscard]] constexpr bool IsAligned(T value, std::size_t alignment) {
-    using U = typename std::make_unsigned<T>::type;
+requires std::is_integral_v<T>[[nodiscard]] constexpr bool IsAligned(T value, size_t alignment) {
+    using U = typename std::make_unsigned_t<T>;
     const U mask = static_cast<U>(alignment - 1);
     return (value & mask) == 0;
 }
 
-template <typename T, std::size_t Align = 16>
+template <typename T, size_t Align = 16>
 class AlignmentAllocator {
 public:
     using value_type = T;
-    using size_type = std::size_t;
-    using difference_type = std::ptrdiff_t;
+    using size_type = size_t;
+    using difference_type = ptrdiff_t;
 
     using propagate_on_container_copy_assignment = std::true_type;
     using propagate_on_container_move_assignment = std::true_type;