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Diffstat (limited to 'cil/ocamlutil/intmap.mli')
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diff --git a/cil/ocamlutil/intmap.mli b/cil/ocamlutil/intmap.mli new file mode 100755 index 0000000..eef89b5 --- /dev/null +++ b/cil/ocamlutil/intmap.mli @@ -0,0 +1,87 @@ +(***********************************************************************) +(* *) +(* Objective Caml *) +(* *) +(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *) +(* *) +(* Copyright 1996 Institut National de Recherche en Informatique et *) +(* en Automatique. All rights reserved. This file is distributed *) +(* under the terms of the GNU Library General Public License, with *) +(* the special exception on linking described in file ../LICENSE. *) +(* *) +(***********************************************************************) + +(* $Id: intmap.mli,v 1.1 2005-02-28 16:24:00 necula Exp $ *) + +(** Specialized to integer keys by George Necula *) + +(** Association tables over ordered types. + + This module implements applicative association tables, also known as + finite maps or dictionaries, given a total ordering function + over the keys. + All operations over maps are purely applicative (no side-effects). + The implementation uses balanced binary trees, and therefore searching + and insertion take time logarithmic in the size of the map. +*) + +type (+'a) t + (** The type of maps from type [key] to type ['a]. *) + +val empty: 'a t + (** The empty map. *) + +val is_empty: 'a t -> bool + (** Test whether a map is empty or not. *) + +val add: int -> 'a -> 'a t -> 'a t + (** [add x y m] returns a map containing the same bindings as + [m], plus a binding of [x] to [y]. If [x] was already bound + in [m], its previous binding disappears. *) + +val find: int -> 'a t -> 'a + (** [find x m] returns the current binding of [x] in [m], + or raises [Not_found] if no such binding exists. *) + +val remove: int -> 'a t -> 'a t + (** [remove x m] returns a map containing the same bindings as + [m], except for [x] which is unbound in the returned map. *) + +val mem: int -> 'a t -> bool + (** [mem x m] returns [true] if [m] contains a binding for [x], + and [false] otherwise. *) + +val iter: (int -> 'a -> unit) -> 'a t -> unit + (** [iter f m] applies [f] to all bindings in map [m]. + [f] receives the key as first argument, and the associated value + as second argument. The bindings are passed to [f] in increasing + order with respect to the ordering over the type of the keys. + Only current bindings are presented to [f]: + bindings hidden by more recent bindings are not passed to [f]. *) + +val map: ('a -> 'b) -> 'a t -> 'b t + (** [map f m] returns a map with same domain as [m], where the + associated value [a] of all bindings of [m] has been + replaced by the result of the application of [f] to [a]. + The bindings are passed to [f] in increasing order + with respect to the ordering over the type of the keys. *) + +val mapi: (int -> 'a -> 'b) -> 'a t -> 'b t + (** Same as {!Map.S.map}, but the function receives as arguments both the + key and the associated value for each binding of the map. *) + +val fold: (int -> 'a -> 'b -> 'b) -> 'a t -> 'b -> 'b + (** [fold f m a] computes [(f kN dN ... (f k1 d1 a)...)], + where [k1 ... kN] are the keys of all bindings in [m] + (in increasing order), and [d1 ... dN] are the associated data. *) + +val compare: ('a -> 'a -> int) -> 'a t -> 'a t -> int + (** Total ordering between maps. The first argument is a total ordering + used to compare data associated with equal keys in the two maps. *) + +val equal: ('a -> 'a -> bool) -> 'a t -> 'a t -> bool + (** [equal cmp m1 m2] tests whether the maps [m1] and [m2] are + equal, that is, contain equal keys and associate them with + equal data. [cmp] is the equality predicate used to compare + the data associated with the keys. *) + |