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Re: Nasty language semantics (Was: error message I don understand) [message #174913 is a reply to message #174912] Sun, 17 July 2011 19:50 Go to previous messageGo to previous message
The Natural Philosoph is currently offline  The Natural Philosoph
Messages: 993
Registered: September 2010
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Tim Streater wrote:
> In article <ivv775$egh$1(at)dont-email(dot)me>,
> August Karlstrom <fusionfile(at)gmail(dot)com> wrote:
>
>> On 2011-07-17 18:31, Peter H. Coffin wrote:
>>> On Sun, 17 Jul 2011 16:50:28 +0200, August Karlstrom wrote:
>>>
>>>> On 2011-07-17 15:03, Jerry Stuckle wrote:
>>>>
>>>> > This isn't mathematics - it is programming, as people have told you
>>>> > before. If you want mathematics, get a chalkboard.
>>>>
>>>> Don't be silly. There are several programming languages in which `='
>>>> denote (surprise) equality.
>>>
>>> Very few that use it alone.
>>
>> Pascal, Modula-2, Eiffel and Ada all use `=' for equality and `:=' for
>> assignment.
>
> A good enough reason not to use these languages.
>

The chief reason I gave up on Pascal after spending 4 hours trying to
make a variable length bitfield containing potentially different sorts
of entities depending on what was in the first few bits...into some form
of syntax that made it usable, was that in the end rewriting the whole
program in C was quicker than trying to make the existing Pascal work.

And that's the problem with these academic languages. When you meet a
situation never envisaged in the academics brain that created them, you
are basically shafted.

I don't care what the actual syntax is. AS long as its clear unambiguous
and consistent.


Since I write assignment more often than comparisons, I slightly prefer
a=b as the assignment and a==b as the boolean comparison.

Aso why I hate loosely typed languages.

I want to know that '1.02' + '3.7' is reliably going to be either '4.72'
or '1.023.7', not implementation dependent, as I found in at least one
Javascript example.

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