CCHeap
Leftist Heaps
Implementation following Okasaki's book.
type 'a ktree = unit -> [ `Nil | `Node of 'a * 'a ktree list ]
type 'a printer = Stdlib.Format.formatter -> 'a -> unit
module type PARTIAL_ORD = sig ... end
module type TOTAL_ORD = sig ... end
module type S = sig ... end