ZLawfulF[CapsF, Caps, R] describes a set of laws that a parameterized type
F[A] with capabilities CapsF is expected to satisfy with respect to all
types A that have capabilities Caps. Lawful instances can be combined
using + to describe a set of capabilities and all of the laws that those
capabilities are expected to satisfy.
ZLawfulF[CapsF, Caps, R]describes a set of laws that a parameterized typeF[A]with capabilitiesCapsFis expected to satisfy with respect to all typesAthat have capabilitiesCaps. Lawful instances can be combined using+to describe a set of capabilities and all of the laws that those capabilities are expected to satisfy.