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From: The Natural Philosopher <tnp@invalid.invalid>
Newsgroups: alt.folklore.computers,comp.os.linux.misc
Subject: Re: TeX and Pascal [was Re: The joy of FORTRAN]
Date: Fri, 4 Oct 2024 12:48:14 +0100
Organization: A little, after lunch
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On 04/10/2024 11:59, Bob Eager wrote:
> On Thu, 03 Oct 2024 16:34:15 -0700, Peter Flass wrote:
> 
>> Louis Krupp <lkrupp@invalid.pssw.com.invalid> wrote:
>>> On 10/1/2024 3:48 PM, Lawrence D'Oliveiro wrote:
>>>> On Tue, 1 Oct 2024 16:14:37 +0100, The Natural Philosopher wrote:
>>>>
>>>>> And knowing that p=(x>y?3:2);
>>>> I would have done it without the parentheses. There’s too much
>>>> parenthesis clutter around as it is.
>>>
>>> Add some spaces, and you've got something downright readable:
>>>
>>>      p = x > y ? 3 : 2;
>>>
>>> Maybe add parentheses around the comparison, especially if it's long or
>>> complex, which this isn't:
>>>
>>>      p = (x > y) ? 3 : 2;
>>>
>>> It's idiomatic C. It's everywhere. Perl and Python have something
>>> similar. So does Unisys ALGOL, not that anyone cares:
>>>
>>>      P := IF X > Y THEN 3 ELSE 2;
>>>
>>> If you want to see gratuitous cleverness for the sake of cleverness,
>>> there's this:
>>>
>>>      p = (x > y) + 2;
>>>
>>> Please don't do that. Would you write:
>>>
>>>      P := REAL((X > Y) AND TRUE) + 2;
>>>
>>> if you were doing this in ALGOL?
>>>
>>> I didn't think so.
>>>
>>> Louis
>>>
>>>
>>>
>>>
>>>
>> I like the Unisys version. At the cost of a couple of characters it’s
>> readable. The C version is not straightforward for those of us for whom
>> C is a second or third language.
> 
> The C version, of course, was merely a syntactic change from the BCPL
> version (on which, via B, it was based):
> 
>   p := (x > y) -> 3, 2
> 
> (parentheses optional)
> 
One less keystroke in C.

[:=] -> [=]    -1
[->]  -> [?] -2
blank EOL to [;]   +1


-- 
How fortunate for governments that the people they administer don't think.

Adolf Hitler