module Poly:Signatures/functors for modules with parameterized (polymorphic) types.sig
..end
module type Equatable =sig
..end
module type Comparable =sig
..end
module type Hashable =sig
..end
module type Arbitrary =sig
..end
module type ArbitraryComparable =sig
..end
module ComposeComparable:
module ComposeGen:
module ComposeGenComparable:
module Close:sig
..end