Main.hx:5: characters 9-13 : Warning : Mono<Unknown<0>>
Main.hx:8: characters 3-36 : Constraint check failure for new.B
Main.hx:8: characters 3-36 : ... Foo should be BarLike
Main.hx:8: characters 3-36 : ... Foo has no field bar
Main.hx:10: characters 9-13 : Warning : Mono<Unknown<0>>