(j3.2006) (SC22WG5.5472) J3/15-159 - J3 Fortran interp letter ballot #33 - due 24-Apr-2015

Daniel C Chen cdchen
Thu Apr 23 13:55:01 EDT 2015

We implemented the submodule feature already and we support USE of the
ancestor module in a descendant submodule. However, I have NO objection to
disallow it as Bill suggested. That being said, if this approach is not
feasible, I am strongly in favor of disallowing the 'useless' submodule as
an interp of F2008 as Malcolm mentioned.



XL Fortran Development - IBM Toronto Software Lab
Phone: 905-413-3056
Tie: 969-3056
Email: cdchen at ca.ibm.com

From:	Bill Long <longb at cray.com>
To:	fortran standards email list for J3 <j3 at mailman.j3-fortran.org>
Date:	04/22/2015 07:32
Subject:	Re: (j3.2006) (SC22WG5.5472) J3/15-159 - J3 Fortran	interp
            letter	ballot #33 - due 24-Apr-2015
Sent by:	j3-bounces at mailman.j3-fortran.org

On Apr 22, 2015, at 12:52 AM, Malcolm Cohen <malcolm at nag-j.co.jp> wrote:

> Unless I am mistaken, the submodule TR definitely allowed uselessly
extending a
> module or submodule.  But I would have no particular problem with
> that in F2008, if everyone else agrees.  It's pretty late in the day for
> that, but not so many people have implemented submodules yet?

As one of the vendors that started implementing submodules based on the TR
and early F2008 drafts, we still disallow USE of the ancestor module in a
submodule.  If we reinstated that rule, these other issues would disappear.
I see allowing use of the ancestor module as pointless and confusing, and a
good candidate for ?wart? status.


Bill Long
longb at cray.com
Fortran Technical Suport  &                                  voice:
Bioinformatics Software Development                     fax:  651-605-9142
Cray Inc./ Cray Plaza, Suite 210/ 380 Jackson St./ St. Paul, MN 55101

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