module Nat_set: Set with type elt = int
A set implementation for natural numbers.
type
Type of elements.
type
Type of set of elements.
val create : unit -> t
Create an empty set in constant time.
val size : t -> int
val is_empty : t -> bool
val mem : t -> elt -> bool
Determine whether element is a member of the set in constant time.
val add : t -> elt -> unit
add s e adds element
e to the set
s in (amortized)
constant time.
val remove : t -> elt -> unit
remove s e removes element
e from the set
s in constant time.
val clear : t -> unit
Makes the set empty in (amortized) constant time.
val iter : (elt -> unit) -> t -> unit
iter c s applies c to all elements of s.
val iter_const : ('a -> elt -> unit) -> 'a -> t -> unit
iter_const c x s is
Index.Set.iter (c x) s, only faster
since applying closures is slow.
val fold : ('a -> elt -> 'a) -> 'a -> t -> 'a
fold f a s applies f to an accumulated value and each
element in the set s.
val fold_const : ('a -> 'b -> elt -> 'b) -> 'a -> 'b -> t -> 'b
fold_const f x a s is
Index.Set.fold (f x) a s, only faster
since applying closures is slow.
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