Add a catchall to inner toDefs function
Add a catchall to inner toDefs function

I think it would be more appropriate to reorder this code as to only case-match
over defs once, but I'm not sure of how to approach this (yet).

JoeyEremondi/elm-pattern-effects,pairyo/elm-compiler,5outh/Elm,Axure/elm-compiler,mgold/Elm,laszlopandy/elm-compiler,deadfoxygrandpa/Elm