import { flatmapFirst } from "https://deno.land/x/fun@v2.0.0/async_either.ts";
Parameters
fati: (a: A) => AsyncEither<J, I>
Returns
<B>(ta: AsyncEither<B, A>) => AsyncEither<B | J, A>
x/fun/async_either.ts>flatmapFirst
import { flatmapFirst } from "https://deno.land/x/fun@v2.0.0/async_either.ts";