From: Robert Dewar <robert_dewar@my-dejanews.com>
Subject: Re: Question for the folks who designed Ada95
Date: 1999/04/30
Date: 1999-04-30T00:00:00+00:00 [thread overview]
Message-ID: <7gdah8$j2p$1@nnrp1.dejanews.com> (raw)
In-Reply-To: wcczp3sd2s8.fsf@world.std.com
In article <wcczp3sd2s8.fsf@world.std.com>,
Robert A Duff <bobduff@world.std.com> wrote:
> I have also pondered the idea of having a language where function
> calls with side effects have a different notation than function calls
> without.
But the trouble is that the concept of a function with side effects
is a conceptual one, not one that can be usefully defined or
enforced.
Which of the following have side effects
1. A function that delays ten seconds before returning by looping
2. A memo function using an internal table
3. A function with instrumentation logging parameters used to call it
I would say typically that 1. had side effects, and that 2 and 3 do
not, but any formal attempt to distinguish the concepts (let alone
insist on different syntax) would probably make exactly the opposite
categorization!
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next prev parent reply other threads:[~1999-04-30 0:00 UTC|newest]
Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-04-26 0:00 Question for the folks who designed Ada95 Corey Ashford
1999-04-27 0:00 ` Robert Dewar
1999-04-27 0:00 ` Tarjei Tj�stheim Jensen
1999-04-27 0:00 ` Larry Kilgallen
1999-04-27 0:00 ` Robert Dewar
1999-04-28 0:00 ` Corey Ashford
1999-04-28 0:00 ` Robert Dewar
1999-04-28 0:00 ` Robert A Duff
1999-04-28 0:00 ` Robert Dewar
1999-04-29 0:00 ` Robert A Duff
1999-04-29 0:00 ` Corey Ashford
1999-04-29 0:00 ` Corey Ashford
1999-04-29 0:00 ` Robert Dewar
1999-04-29 0:00 ` Geert Bosch
1999-04-29 0:00 ` Fraser Wilson
1999-04-29 0:00 ` Mark A Biggar
1999-04-30 0:00 ` Tucker Taft
1999-04-29 0:00 ` Tucker Taft
1999-04-29 0:00 ` Marin David Condic
1999-04-30 0:00 ` David Brown
1999-04-27 0:00 ` bill
1999-04-27 0:00 ` Robert Dewar
1999-04-27 0:00 ` Al Christians
1999-04-27 0:00 ` Larry Kilgallen
1999-04-27 0:00 ` Al Christians
1999-04-28 0:00 ` Robert A Duff
1999-04-28 0:00 ` Robert Dewar
1999-04-29 0:00 ` Matthew Heaney
1999-04-29 0:00 ` Robert Dewar
1999-04-29 0:00 ` Jean-Pierre Rosen
1999-04-27 0:00 ` dennison
1999-04-27 0:00 ` Robert Dewar
1999-04-29 0:00 ` Robert A Duff
1999-04-27 0:00 ` David Starner
1999-04-27 0:00 ` Robert Dewar
1999-04-27 0:00 ` David Starner
1999-04-28 0:00 ` Robert Dewar
1999-04-28 0:00 ` Samuel Mize
1999-04-28 0:00 ` Tarjei Tj�stheim Jensen
1999-04-28 0:00 ` Larry Kilgallen
1999-04-28 0:00 ` Robert Dewar
1999-04-28 0:00 ` Robert A Duff
1999-04-29 0:00 ` Bill Ghrist
1999-04-29 0:00 ` Tarjei Tj�stheim Jensen
1999-04-28 0:00 ` dennison
1999-04-28 0:00 ` Robert Dewar
1999-04-28 0:00 ` Robert A Duff
1999-04-28 0:00 ` Brian Hanson
1999-04-28 0:00 ` bill
1999-04-29 0:00 ` Robert S. White
1999-04-29 0:00 ` Robert Dewar
1999-04-30 0:00 ` Robert S. White
1999-04-29 0:00 ` Robert Dewar
1999-04-30 0:00 ` Robert S. White
1999-04-30 0:00 ` dennison
1999-04-29 0:00 ` Robert Dewar
1999-04-28 0:00 ` Pat Rogers
1999-04-29 0:00 ` Robert Dewar
1999-04-29 0:00 ` dennison
1999-04-29 0:00 ` Pat Rogers
1999-04-30 0:00 ` Robert Dewar [this message]
1999-04-28 0:00 ` Robert A Duff
1999-04-29 0:00 ` Question for the folks who designed Ad David Kristola
1999-04-29 0:00 ` Paul Duquennoy
1999-04-29 0:00 ` Question for the folks who designed Ada95 Aidan Skinner
1999-04-30 0:00 ` Matthew Heaney
1999-04-27 0:00 ` Corey Ashford
1999-04-27 0:00 ` Samuel Mize
1999-04-27 0:00 ` Samuel Mize
1999-04-27 0:00 ` Robert Dewar
1999-04-28 0:00 ` Samuel Mize
1999-04-28 0:00 ` Samuel Mize
1999-04-28 0:00 ` Corey Ashford
1999-04-28 0:00 ` Robert Dewar
1999-04-29 0:00 ` Corey Ashford
1999-04-29 0:00 ` Robert Dewar
1999-04-29 0:00 ` Fraser Wilson
1999-04-29 0:00 ` Marin David Condic
1999-04-29 0:00 ` Robert Dewar
1999-04-28 0:00 ` Corey Ashford
1999-04-28 0:00 ` Corey Ashford
1999-04-27 0:00 ` Matthew Heaney
1999-04-27 0:00 ` Matthew Heaney
1999-04-27 0:00 ` Corey Ashford
1999-04-28 0:00 ` Robert A Duff
1999-04-28 0:00 ` Keith Thompson
1999-04-29 0:00 ` Robert A Duff
1999-04-28 0:00 ` Marin David Condic
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