Ah could be hardware/OS, yeah. I believe everyone at our company are on MacBooks (I’m a Linux guy myself, but orgs don’t usually like that).
My personal laptop is a Dell XPS 13 and while I like it for various reasons, it has had plenty of problems with the built-in mic and video (mostly the mic). So it very well could be that.
Don’t need the
Ord
instance for equality, justEq
is sufficient.Ord
is for inequalities.The point of the post is that most mainstream languages don’t provide a way to automatically derive point-wise equality by value, even though it’s pervasively used everywhere. They instead need IDEs to generate the boilerplate rather than the compiler handling it.