Re: [Xenomai] Segfaults and ENOMEM during rt_event_create()

[Philippe Gerum <rpm@xenomai.org>]

On 08/06/2015 11:25 AM, dietmar.schindler@manroland-web.com wrote:
>> Von: Philippe Gerum
>> Gesendet: Donnerstag, 6. August 2015 10:01
>>
>> ..., but the ternary operator is a bit special since by
>> design, it won't compete for precedence with the expressions it evaluates.
> 
> Actually, this is not special - no operator will "compete for precedence with the expressions it evaluates", because _which_ expressions it evaluates is determined by the very outcome of the "competition for precedence". And sure enough, the expression
> 
>     b = a ? 0 : 1
> 

I would tend to think that associativity is part of the issue. e.g.
right association solves the ambiguity between multiple assignments
operators with the same precedence.

> is not equivalent to
> 
>     (b = a) ? 0 : 1
> 
> (but by this remark I do not at all want to advocate the undue use of parentheses).
> 

Clearly. This said, the original remark was rather about the precedence
between operators from the test expression and the operators forming the
ternary conditional itself.

-- 
Philippe.