Includemod.Functor_inclusion_diffval diff :
Env.t ->
(Types.functor_parameter list * Types.module_type) ->
(Types.functor_parameter list * Types.module_type) ->
(Types.functor_parameter,
Types.functor_parameter,
Typedtree.module_coercion,
(Types.functor_parameter, 'c) Error.functor_param_symptom)
Diffing.patch