module Poly: PolyPoly is a convenient shorthand for Polymorphic_compare in the common case that one
wants to use a polymorphic comparator directly in an expression, e.g. Poly.equal a
b.include Polymorphic_compare
Poly is a convenient shorthand for Polymorphic_compare in the common case that one
wants to use a polymorphic comparator directly in an expression, e.g. Poly.equal a
b.