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package travesty
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S0 is the signature of an arity-0 mappable type.

Functions mapped over arity-0 types must preserve the element type.

include Types_intf.S0
type t

The container type.

type elt

The element type.

include Generic with type 'a t := t and type 'a elt := elt

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

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