Structs.MakeSourceMake is a functor that takes a Trace as argument and instantiates all the Traced modules based on it.
module Trace : Traced_sigs.Trace.Smodule Option = Bare_structs.Optionmodule Result = Bare_structs.Resultmodule Unit = Bare_structs.Unitmodule WithExceptions = Bare_structs.WithExceptions