Module type Util.ComparedType

module type ComparedType = sig .. end

Type of modules that may be used as keys for Map and Hashtbl.

type t

Abstract type of comparable values.

val equal : t -> t -> bool

Are two values equal?

val hash : t -> int

Hash code of a value.

val compare : t -> t -> int

An arbitrary order on values. compare x y is < 0, = 0, or > 0 when x precedes y, is equal to y, or follows y in the order.

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