Use an iterator template for enum sequence loops (#1228)

include/gfx/main.hpp

@@ -110,7 +110,8 @@ static constexpr auto flipTable(std::integer_sequence<T, i...>) {
 		return byte;
 	}(i)...};
 }
-}
+} // namespace detail
+
 // Flipping tends to happen fairly often, so take a bite out of dcache to speed it up
 static constexpr auto flipTable = detail::flipTable(std::make_integer_sequence<uint16_t, 256>());
 

include/gfx/pal_packing.hpp

@@ -21,6 +21,6 @@ namespace packing {
 std::tuple<DefaultInitVec<size_t>, size_t>
     overloadAndRemove(std::vector<ProtoPalette> const &protoPalettes);
 
-}
+} // namespace packing
 
 #endif // RGBDS_GFX_PAL_PACKING_HPP

include/gfx/pal_sorting.hpp

@@ -21,6 +21,6 @@ void grayscale(std::vector<Palette> &palettes,
                std::array<std::optional<Rgba>, 0x8001> const &colors);
 void rgb(std::vector<Palette> &palettes);
 
-}
+} // namespace sorting
 
 #endif // RGBDS_GFX_PAL_SORTING_HPP