package colibri2

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type key = t
type 'a t
val create : int -> 'a t
val clear : 'a t -> unit
val reset : 'a t -> unit
val copy : 'a t -> 'a t
val add : 'a t -> key -> 'a -> unit
val remove : 'a t -> key -> unit
val find : 'a t -> key -> 'a
val find_all : 'a t -> key -> 'a list
val replace : 'a t -> key -> 'a -> unit
val mem : 'a t -> key -> bool
val iter : (key -> 'a -> unit) -> 'a t -> unit
val fold : (key -> 'a -> 'b -> 'b) -> 'a t -> 'b -> 'b
val length : 'a t -> int
val find_def : 'a t -> 'a -> key -> 'a

return the first binding or the given value if none found

val find_opt : 'a t -> key -> 'a option

return the first binding or None if none found

val find_exn : 'a t -> exn -> key -> 'a

return the first binding or raise the given exception if none found

val choose : 'a t -> (key * 'a) option
val mapi : (key -> 'a -> 'a) -> 'a t -> unit

change the value of all the key. The table should not be modified externally during this run

val filter_mapi : (key -> 'a -> 'a option) -> 'a t -> unit

change the value of all the key. The table should not be modified externally during this run

val memo : (key -> 'a) -> 'a t -> key -> 'a

convenience function, memoize a function

val is_empty : 'a t -> bool

test if the hashtbl is empty

val remove_all : 'a t -> key -> unit

remove_all binding

val change : ('a option -> 'a option) -> 'a t -> key -> unit
val add_new : exn -> 'a t -> key -> 'a -> unit
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