package travesty

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package travesty
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Chain0 chains two S0 instances together, traversing each element of the outer instance with the inner instance.

Parameters

module Inner : Traversable_types.S0 with type t := Outer.Elt.t

Signature

module Elt = Inner.Elt

Elements must have equality. While this is an extra restriction on top of the Core equivalent, it is required by Make0, and helps us define chaining operations.

We export Elt.t as elt for compatibility with Core-style containers.

include Generic_types.S0 with type elt = Elt.t with type t = Outer.t
type t = Outer.t

The container type.

type elt = Elt.t

The element type.

include Traversable_types.Generic with type 'a t := t and type 'a elt := Elt.t
include Generic_types.Generic with type 'a t := t with type 'a elt := Elt.t
module On_monad (M : Base.Monad.S) : Traversable_types.Generic_on_monad with type 'a t := t and type 'a elt := Elt.t and module M := M

On_monad implements monadic traversal operators for a given monad M.

We can do generic container operations.

include Base.Container.Generic with type 'a t := t and type 'a elt := Elt.t

We can do non-monadic mapping operations.

include Mappable_types.Generic with type 'a t := t and type 'a elt := Elt.t

Generic refers to the container type as 'a t, and the element type as 'a elt; substitute t/elt (arity-0) or 'a t/'a (arity-1) accordingly below.

include Generic_types.Generic with type 'a t := t with type 'a elt := Elt.t
val fold_map : t -> f:('acc -> Elt.t -> 'acc * Elt.t) -> init:'acc -> 'acc * t

fold_map c ~f ~init folds f over every t in c, threading through an accumulator with initial value init.

val mapi : f:(Base.int -> Elt.t -> Elt.t) -> t -> t

mapi ~f t maps f across t, passing in an increasing position counter.

module With_errors : Traversable_types.Generic_on_monad with type 'a t := t and type 'a elt := Elt.t and module M := Base.Or_error

With_errors specialises On_monad to the error monad.

include Mappable_types.S0_container with type t := t and type elt := Elt.t
include Mappable_types.S0 with type t := t with type elt := Elt.t
include Generic_types.S0 with type t := t with type elt := Elt.t
include Mappable_types.Generic with type 'a t := t and type 'a elt := Elt.t

Generic refers to the container type as 'a t, and the element type as 'a elt; substitute t/elt (arity-0) or 'a t/'a (arity-1) accordingly below.

include Generic_types.Generic with type 'a t := t with type 'a elt := Elt.t
val map : t -> f:(Elt.t -> Elt.t) -> t

map c ~f maps f over every t in c.

include Base.Container.S0 with type t := t and type elt := Elt.t
val mem : t -> Elt.t -> bool
val length : t -> int
val is_empty : t -> bool
val iter : t -> f:(Elt.t -> unit) -> unit
val fold : t -> init:'accum -> f:('accum -> Elt.t -> 'accum) -> 'accum
val fold_result : t -> init:'accum -> f:('accum -> Elt.t -> ('accum, 'e) Base__.Result.t) -> ('accum, 'e) Base__.Result.t
val fold_until : t -> init:'accum -> f: ('accum -> Elt.t -> ('accum, 'final) Base__Container_intf.Continue_or_stop.t) -> finish:('accum -> 'final) -> 'final
val exists : t -> f:(Elt.t -> bool) -> bool
val for_all : t -> f:(Elt.t -> bool) -> bool
val count : t -> f:(Elt.t -> bool) -> int
val sum : (module Base__Container_intf.Summable with type t = 'sum) -> t -> f:(Elt.t -> 'sum) -> 'sum
val find : t -> f:(Elt.t -> bool) -> Elt.t option
val find_map : t -> f:(Elt.t -> 'a option) -> 'a option
val to_list : t -> Elt.t list
val to_array : t -> Elt.t array
val min_elt : t -> compare:(Elt.t -> Elt.t -> int) -> Elt.t option
val max_elt : t -> compare:(Elt.t -> Elt.t -> int) -> Elt.t option
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