Module Choice.Choice_isCountable

type 't axioms_ = {
  1. pickle : 't -> Datatypes.nat;
  2. unpickle : Datatypes.nat -> 't option;
}
val pickle : 'a1 axioms_ -> 'a1 -> Datatypes.nat
val unpickle : 'a1 axioms_ -> Datatypes.nat -> 'a1 option
val phant_Build : ('a1 -> Datatypes.nat) -> (Datatypes.nat -> 'a1 option) -> 'a1 axioms_