ref: 099d9cb114e45459527515d955e85ef620024dbd
dir: /test/exporttrait.myr/
pkg = trait t @a impl t int ;; trait t @a = frob : (v : @a -> @a) ;; impl t int = frob = {v -> v*2 } ;; /* shut up the linker: we just want to compile this. */ const main = { }