module Opn: sig .. end
sig
end
Opens
val mk : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> ?docs:Docstrings.docs -> ?override:Asttypes.override_flag -> 'a -> 'a Parsetree.open_infos
?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> ?docs:Docstrings.docs -> ?override:Asttypes.override_flag -> 'a -> 'a Parsetree.open_infos