package containers-data

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in-package search v0.2.0

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Parameters

module X : ORD

type key = X.t

type t

A map containing values of different types, indexed by key.

val empty : t

Empty map.

val get : inj:'a injection -> key -> t -> 'a option

Get the value corresponding to this key, if it exists and belongs to the same key.

val add : inj:'a injection -> key -> 'a -> t -> t

Bind the key to the value, using inj.

val find : inj:'a injection -> key -> t -> 'a

Find the value for the given key, which must be of the right type.

raises Not_found
if either the key is not found, or if its value doesn't belong to the right type.

val cardinal : t -> int

Number of bindings.

val remove : key -> t -> t

Remove the binding for this key.

val mem : inj:_ injection -> key -> t -> bool

Is the given key in the map, with the right type?

val iter_keys : f:(key -> unit) -> t -> unit

Iterate on the keys of this map.

val fold_keys : f:('a -> key -> 'a) -> x:'a -> t -> 'a

Fold over the keys.

type 'a iter = ('a -> unit) -> unit

val keys_iter : t -> key iter

All the keys.

val bindings_of : inj:'a injection -> t -> (key * 'a) iter

All the bindings that come from the corresponding injection.

type value =

val bindings : t -> (key * value) iter

Iterate on all bindings.