This is a bit off topic, but is there a collection of not-so-great
error messages along with opinions about what they should be? Like a
wiki page or something?
I just stumbled across one and was going to complain, but didn't know
the most productive way to do that, aside from try to fix it myself
This is a heads up that D3609[1], the first step toward implementing Trees
that Grow[2] for the hsSyn AST is about to land in master.
The key change is that it is replacing the HsSyn type parameter with one
that is an index into a set of type families, enabling the extension points
(for a future d
