package travesty

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package travesty
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Chain_Bi0_Traverse1 (Bi) (Trav) composes a bi-traversal Bi on an inner arity-0 container over a traversal Trav over an outer arity-1 container.

Parameters

Signature

include Generic_types.Bi0 with type t = Bi.t Trav.t with type left = Bi.left with type right = Bi.right
type t = Bi.t Trav.t

Fixed type of containers.

type left = Bi.left

Fixed type of left elements.

type right = Bi.right

Fixed type of right elements.

include Bi_traversable_types.Generic with type ('l, 'r) t := t and type 'l left := left and type 'r right := right
include Generic_types.Bi_generic with type ('l, 'r) t := t with type 'l left := left with type 'r right := right

We can do non-monadic bi-mapping operations.

include Bi_mappable_types.Generic with type ('l, 'r) t := t and type 'l left := left and type 'r right := right
include Bi_mappable_types.Basic_generic with type ('l, 'r) t := t with type 'l left := left with type 'r right := right
include Generic_types.Bi_generic with type ('l, 'r) t := t with type 'l left := left with type 'r right := right
val bi_map : t -> left:(left -> left) -> right:(right -> right) -> t

bi_map c ~left ~right maps left over every 'l1 left, and right over every 'r1 right, in c.

val map_left : t -> f:(left -> left) -> t

map_left c ~f maps f over the left type of c only.

val map_right : t -> f:(right -> right) -> t

map_right c ~f maps f over the right type of c only.

module On_monad (M : Base.Monad.S) : Bi_traversable_types.Generic_on_monad with type ('l, 'r) t := t and type 'l left := left and type 'r right := right and module M := M

On_monad implements monadic bi-traversal operators for a given monad M.

module With_errors : Bi_traversable_types.Generic_on_monad with type ('l, 'r) t := t and type 'l left := left and type 'r right := right and module M := Base.Or_error

With_errors specialises On_monad to the error_monad.

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