Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: Michael S <already5chosen@yahoo.com>
Newsgroups: comp.lang.c
Subject: Re: do { quit; } else { }
Date: Mon, 14 Apr 2025 00:30:03 +0300
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On Sun, 13 Apr 2025 20:08:52 -0000 (UTC)
Kaz Kylheku <643-408-1753@kylheku.com> wrote:

> On 2025-04-13, Michael S <already5chosen@yahoo.com> wrote:
> > The funny thing is that in original C prefix form of [] indexing was
> > equivalent to the postfix form.  May be, it still is in C23, I
> > didn't try to look in the docs or test.  
> 
> Are you thinking of a[i] being *(a + i) being i[a] due to
> commutativity?
> 

My impression rfrom old books was that indexing as [i]arr was (is ?)
also legal.

> That's really not a useful feature. Actually right down to a + i being
> commutative when a is a pointer. It would be fine if only the
> <pointer> + <integer> combination were allowed.
>