KindRightFnEither
import type { KindRightFnEither } from "https://github.gh-proxy.cn/raw.githubusercontent.com/baetheus/fun/main/fn_either.ts";Specifies FnEither as a Higher Kinded Type, with covariant parameter A corresponding to the 0th index of any Substitutions and a contravariant parameter D corresponding to the 0th index of any Substititions. KindRightFnEither curries the Left parameter of the output Either. This is useful when one needs to Fix the Left output with a Combinable or some other collection algebraic structure.