I’ve always considered lenses to be a bit uncomfortable. While they’re occasionally useful for doing deeply nested record updates, they often seem to be more trouble than they’re worth. There’s a temptation in the novice programmer, to ^.. and folded their way to a solution that is much more naturally written merely as toList. And don’t get me started about the stateful operators like <<+= and their friends. Many programs which can be more naturally written functionally accidentally...
