apFirst<ENV, B> function
Implementation
ReaderTask<ENV, A> Function<A>(ReaderTask<ENV, A>) apFirst<ENV, B>(
ReaderTask<ENV, B> rt1,
) =>
<A>(rt2) => pipe2(
rt2,
flatMap<ENV, A, A>(
(a) => pipe2(
rt1,
map<B, A>((_) => a),
),
),
);