Arrow_choice.WITH_CHOOSE
Minimal definition using choose operation without Arrow.
choose
Arrow
type ('a, 'b) t
The type held by the Arrow_choice.
Arrow_choice
val choose : ('a, 'b) t -> ('c, 'd) t -> (('a, 'c) Stdlib.Either.t, ('b, 'd) Stdlib.Either.t) t
Split the input between the two argument arrows, re-tagging and merging their outputs.