CopyPtrAttrs

fn CopyPtrAttrs(
    comptime source: type,
    comptime size: std.builtin.Type.Pointer.Size,
    comptime child: type,
) type {
    const info = @typeInfo(source).pointer;
    return @Type(.{
        .pointer = .{
            .size = size,
            .is_const = info.is_const,
            .is_volatile = info.is_volatile,
            .is_allowzero = info.is_allowzero,
            .alignment = info.alignment,
            .address_space = info.address_space,
            .child = child,
            .sentinel_ptr = null,
        },
    });
}