[J3] [EXTERNAL] Generics for Go

Clune, Thomas L. (GSFC-6101) thomas.l.clune at nasa.gov
Mon Oct 19 11:16:10 EDT 2020

I am nominally on vacation (staycation) for the next two weeks.   I’ll generally be around, but don’t be surprised if I end up not dialing in because I’ve found something outside to do.

- Tom

PS I’ll shortly be sending out a separate poll for choosing our November meeting.

On Oct 18, 2020, at 3:46 PM, Mark LeAir via J3 <j3 at mailman.j3-fortran.org<mailto:j3 at mailman.j3-fortran.org>> wrote:

I'm available for a conference call after 11am Pacific Time.


-----Original Message-----
From: J3 <j3-bounces at mailman.j3-fortran.org<mailto:j3-bounces at mailman.j3-fortran.org>> On Behalf Of Ondrej Certík via J3
Sent: Sunday, October 18, 2020 12:20 PM
To: Damian Rouson <damian at sourceryinstitute.org<mailto:damian at sourceryinstitute.org>>; J3 Mailinglist <j3 at mailman.j3-fortran.org<mailto:j3 at mailman.j3-fortran.org>>
Cc: Ondřej Čertík <ondrej at certik.us<mailto:ondrej at certik.us>>
Subject: Re: [J3] Generics for Go

External email: Use caution opening links or attachments

Awesome, thank you Damian.

I setup a pool for this week:


Anybody interested please note your times, I will announce on Tuesday morning when we'll do the call.


On Sun, Oct 18, 2020, at 9:08 AM, Damian Rouson wrote:
Good idea, Ondrej.  I would join a call.


Sent from my iPhone

On Oct 17, 2020, at 16:44, Ondřej Čertík via J3 <j3 at mailman.j3-fortran.org<mailto:j3 at mailman.j3-fortran.org>> wrote:

Hi Bob and Vipul,

On Sat, Oct 17, 2020, at 9:47 AM, Robert Corbett via J3 wrote:
I have been studying the
programming language Go
for a few years now.  I read
the news section on the
golang website this morning.
I learned that some people
are again trying to add generics
to the language.  There was
a previous effort to do so, but
apparently it was too ambitious.

Thanks for the link. I read it and my understanding of it is that they are doing  templates + strong concepts (using C++ terminology), which we have determined in the Generics subgroup is the way to go. The Go proposal shows on an example how it differs from C++ templates.

They specifically show that the constraint causes the compiler to check both the user code (instantiation) and the library code (generics code). That's called the strong concept in C++.

Is anybody interested in having a video call next week to make some more progress on generics?

Here is our current status:



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