package devkit

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One-to-one associations

type ('a, 'b) t
val create : unit -> ('a, 'b) t
val add : ('a, 'b) t -> 'a -> 'b -> unit

Add association, assert on duplicate key

val get : ('a, 'b) t -> 'a -> 'b

Get associated value,

  • raises Not_found

    if key is not present

val try_get : ('a, 'b) t -> 'a -> 'b option

Get associated value

val del : ('a, 'b) t -> 'a -> 'b

Delete association, assert if key is not present,

  • returns

    associated value

val remove : ('a, 'b) t -> 'a -> unit

Delete association, assert if key is not present

val size : ('a, 'b) t -> int
val fold : ('a -> 'b -> 'c -> 'c) -> ('a, 'b) t -> 'c -> 'c
OCaml

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