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Re: = vs. == (again!) (Was: c needs this sign)

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gazelle@shell.xmission.com (Kenny McCormack) writes:

> In article <117ophj$3il1$1@kst.eternal-september.org>,
> Keith Thompson  <Keith.S.Thompson+u@gmail.com> wrote:
> ...
>
>> If I were creating a new language, I might use ":=" for assignment
>> and "==" for comparison.  I'd use "==" rather than "=" only to
>> cater to programmers accustomed to C and the languages it influences.
>> And I'd discuss that language elsewhere.
>
> Note that another way to solve this problem is simply to not allow
> assignments to be expressions.  This has been suggested at various
> times in the past on this newsgroup.
>
> The fact that assignments are expressions is one of the nifty
> features of C (and C-like) language(s) and allows for nifty,
> clever, compact code that is dazzling to the eye (and confusing
> to the newbie).  [...]

They also can be used in ways that are straightforward, not hard
to understand, and not confusing to new programmers.  Like most
aspects of programming languages, using assignment expressions
effectively requires a certain amount of taste and good judgment.
If every potentially confusing language feature were thrown out
there would be almost nothing left.

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c needs this sign fir <profesor.fir@gmail.com> - 2026-09-07 15:53 +0200
  Re: c needs this sign David LaRue <huey.dll@tampabay.rr.com> - 2026-09-07 19:21 +0000
    Re: c needs this sign Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-09-08 01:10 +0200
      Re: c needs this sign Dan Purgert <dan@djph.net> - 2026-09-07 23:13 +0000
        Re: c needs this sign Lane W <cactus_DAC@yahoo.com> - 2026-09-07 17:26 -0600
      Re: c needs this sign David Brown <david.brown@hesbynett.no> - 2026-09-08 10:40 +0200
        Re: c needs this sign Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-09-09 10:49 +0200
          Re: c needs this sign David Brown <david.brown@hesbynett.no> - 2026-09-09 13:21 +0200
            Re: c needs this sign fir <profesor.fir@gmail.com> - 2026-09-09 13:33 +0200
            Support of Unicode characters in various places (was Re: c needs this sign) Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-09-09 21:37 +0200
              Re: Support of Unicode characters in various places (was Re: c needs this sign) David Brown <david.brown@hesbynett.no> - 2026-09-10 09:01 +0200
                Re: Support of Unicode characters in various places (was Re: c needs this sign) Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-09-10 23:13 +0200
                Re: Support of Unicode characters in various places (was Re: c needs this sign) Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-09-10 14:54 -0700
                Re: Support of Unicode characters in various places (was Re: c needs this sign) scott@slp53.sl.home (Scott Lurndal) - 2026-09-10 22:17 +0000
                Re: Support of Unicode characters in various places (was Re: c needs this sign) Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-09-10 15:48 -0700
                Re: Support of Unicode characters in various places (was Re: c needs this sign) bart <bc@freeuk.com> - 2026-09-11 10:51 +0100
                Re: Support of Unicode characters in various places (was Re: c needs this sign) David Brown <david.brown@hesbynett.no> - 2026-09-11 12:49 +0200
                Re: Support of Unicode characters in various places (was Re: c needs this sign) scott@slp53.sl.home (Scott Lurndal) - 2026-09-11 16:28 +0000
                Re: Support of Unicode characters in various places (was Re: c needs this sign) Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-09-11 02:03 +0200
                Re: Support of Unicode characters in various places (was Re: c needs this sign) Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-09-10 17:13 -0700
                Re: Support of Unicode characters in various places (was Re: c needs this sign) Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-09-11 02:24 +0200
                Re: Support of Unicode characters in various places (was Re: c needs this sign) David Brown <david.brown@hesbynett.no> - 2026-09-11 09:42 +0200
          Re: c needs this sign fir <profesor.fir@gmail.com> - 2026-09-09 23:59 +0200
            Re: c needs this sign fir <profesor.fir@gmail.com> - 2026-09-10 00:04 +0200
              Re: c needs this sign fir <profesor.fir@gmail.com> - 2026-09-10 00:16 +0200
                Re: c needs this sign fir <profesor.fir@gmail.com> - 2026-09-10 00:30 +0200
              Re: c needs this sign bart <bc@freeuk.com> - 2026-09-09 23:44 +0100
                Re: c needs this sign fir <profesor.fir@gmail.com> - 2026-09-10 00:55 +0200
                Re: c needs this sign fir <profesor.fir@gmail.com> - 2026-09-10 01:09 +0200
                Re: c needs this sign fir <profesor.fir@gmail.com> - 2026-09-10 01:21 +0200
                Re: c needs this sign fir <profesor.fir@gmail.com> - 2026-09-10 01:36 +0200
                Re: c needs this sign fir <profesor.fir@gmail.com> - 2026-09-10 01:45 +0200
                Re: c needs this sign Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-15 07:23 +0000
      Re: c needs this sign fir <profesor.fir@gmail.com> - 2026-09-08 11:56 +0200
        Re: c needs this sign bart <bc@freeuk.com> - 2026-09-08 11:14 +0100
          Re: c needs this sign fir <profesor.fir@gmail.com> - 2026-09-08 12:28 +0200
          Re: c needs this sign Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-09-08 03:54 -0700
            Re: c needs this sign fir <profesor.fir@gmail.com> - 2026-09-08 13:13 +0200
            = vs. == (again!) (Was: c needs this sign) gazelle@shell.xmission.com (Kenny McCormack) - 2026-09-08 14:39 +0000
              Re: = vs. == (again!) (Was: c needs this sign) Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-10-14 23:36 -0700
            Re: c needs this sign Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-09-09 11:13 +0200
          Re: c needs this sign Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-09 00:29 +0000
            Re: c needs this sign "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-09-10 13:42 -0700
      Re: c needs this sign fir <profesor.fir@gmail.com> - 2026-09-08 15:12 +0200
  Re: c needs this sign Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-08 03:33 +0000
    Re: c needs this sign fir <profesor.fir@gmail.com> - 2026-09-08 12:02 +0200
      Re: c needs this sign Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-09 00:27 +0000

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