Arrow_choice.WITH_LEFT_AND_CHOOSE
Minimal definition using choose and left without Arrow.
choose
left
Arrow
type ('a, 'b) t
The type held by the Arrow_choice.
Arrow_choice
val left : ('a, 'b) t -> (('a, 'c) Stdlib.Either.t, ('b, 'c) Stdlib.Either.t) t
Feed marked inputs through the argument arrow, passing the rest through unchanged to the output.
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.