* package:rio

Split the input between the two argument arrows and combine their output. Note that this is in general not a functor. The default definition may be overridden with a more efficient version if desired.

Sequence actions, discarding the value of the first argument. 'as *> bs' can be understood as the do expression

do as
bs

This is a tad complicated for our ApplicativeDo extension which will give it a Monad constraint. For an Applicative constraint we write it of the form

do _ <- as
b <- bs
pure b

Sequence actions, discarding the value of the second argument. Using ApplicativeDo: 'as <* bs' can be understood as the do expression

do a <- as
bs
pure a

Sequential application. A few functors support an implementation of <*> that is more efficient than the default one. Using ApplicativeDo: 'fs <*> as' can be understood as the do expression

do f <- fs
a <- as
pure (f a)