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69 lines
1.9 KiB
69 lines
1.9 KiB
(*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*)
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open Import0
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module type S = sig
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type key
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type +'a t
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val compare : ('a -> 'a -> int) -> 'a t -> 'a t -> int
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val equal : ('a -> 'a -> bool) -> 'a t -> 'a t -> bool
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val sexp_of_t : ('a -> Sexp.t) -> 'a t -> Sexp.t
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val t_of_sexp : (Sexp.t -> key) -> (Sexp.t -> 'a) -> Sexp.t -> 'a t
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val pp : key pp -> 'a pp -> 'a t pp
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val pp_diff :
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data_equal:('a -> 'a -> bool)
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-> key pp
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-> 'a pp
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-> ('a * 'a) pp
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-> ('a t * 'a t) pp
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(* initial constructors *)
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val empty : 'a t
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(* constructors *)
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val set : 'a t -> key:key -> data:'a -> 'a t
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val add_exn : 'a t -> key:key -> data:'a -> 'a t
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val add_multi : 'a list t -> key:key -> data:'a -> 'a list t
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val remove : 'a t -> key -> 'a t
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val update : 'a t -> key -> f:('a option -> 'a) -> 'a t
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val merge :
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'a t
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-> 'b t
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-> f:
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( key:key
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-> [`Both of 'a * 'b | `Left of 'a | `Right of 'b]
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-> 'c option)
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-> 'c t
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val merge_skewed :
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'a t -> 'a t -> combine:(key:key -> 'a -> 'a -> 'a) -> 'a t
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val map : 'a t -> f:('a -> 'b) -> 'b t
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val filter_keys : 'a t -> f:(key -> bool) -> 'a t
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val filter_mapi : 'a t -> f:(key:key -> data:'a -> 'b option) -> 'b t
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(* queries *)
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val is_empty : 'b t -> bool
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val length : 'b t -> int
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val mem : 'a t -> key -> bool
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val find : 'a t -> key -> 'a option
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val find_and_remove : 'a t -> key -> ('a * 'a t) option
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val find_multi : 'a list t -> key -> 'a list
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val data : 'a t -> 'a list
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val to_alist : 'a t -> (key * 'a) list
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(* traversals *)
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val iter : 'a t -> f:('a -> unit) -> unit
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val iteri : 'a t -> f:(key:key -> data:'a -> unit) -> unit
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val for_alli : 'a t -> f:(key:key -> data:'a -> bool) -> bool
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val fold : 'a t -> init:'s -> f:(key:key -> data:'a -> 's -> 's) -> 's
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end
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