if you're using Scala 2.12 and getting "no such method" or implicit-related errors when interacting with Morphism1, you must enable -Xsource:2.13 or -Xsource:3 compiler option. BIO does not work without -Xsource:2.13 or -Xsource:3 option on 2.12.
-Xsource:2.13
-Xsource:3
When it's more convenient to write a polymorphic function using a class (or kind-projector's lambda syntax):
Lambda[FunctionK.Instance[F, G]](a => f(b(a)))