Bryan R Harris wrote:
A question about the comma operator:
(John and Chas deserve a rest from my questions, if they want it =).
The binary comma operator in scalar context supposedly "evaluates its left
argument, throws that value away, then evaluates its right argument and
returns
On Thu, Aug 6, 2009 at 12:10, Bryan R Harris wrote:
>
>
> A question about the comma operator:
>
> (John and Chas deserve a rest from my questions, if they want it =).
>
> The binary comma operator in scalar context supposedly "evaluates its left
> argument, throws th
A question about the comma operator:
(John and Chas deserve a rest from my questions, if they want it =).
The binary comma operator in scalar context supposedly "evaluates its left
argument, throws that value away, then evaluates its right argument and
returns that value."
een 'and' and
'&&'.
that is a bit of a gotcha for newbots.
On Thursday, March 14, 2002, at 11:03 AM, Michael Fowler wrote:
> On Thu, Mar 14, 2002 at 10:32:56AM -0800, bob ackerman wrote:
>> confusion i have with comma operator.
>> docs seem to indicate
On Thu, Mar 14, 2002 at 10:32:56AM -0800, bob ackerman wrote:
> confusion i have with comma operator.
> docs seem to indicate it evaluates both sides, but i see examples where it
> looks like if it evaluates to false on LHS it doesn't evaluate RHS. i see
> this in examples
ssage-
> From: bob ackerman [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, March 14, 2002 1:37 PM
> To: [EMAIL PROTECTED]
> Cc: [EMAIL PROTECTED]
> Subject: Re: comma operator
>
>
> now what? i tried 'and' instead '&&' and it worked - last
now what? i tried 'and' instead '&&' and it worked - last wasn't evaluated.
that seems tricky to get right. i still don't understand why 'last' isn't
always evaluated.
On Thursday, March 14, 2002, at 10:32 AM, bob ackerman wrote:
> confu
confusion i have with comma operator.
docs seem to indicate it evaluates both sides, but i see examples where it
looks like if it evaluates to false on LHS it doesn't evaluate RHS. i see
this in examples of writing a case statement.
$x='b';
{
($x eq 'a') && (pri
