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List:       perl5-porters
Subject:    Re: $_ in a a comma-op expression
From:       David Nicol <davidnicol () gmail ! com>
Date:       2024-01-20 22:16:42
Message-ID: CAFwScO-w+3Yo3Eez=xGdnjZncG6F_OD5L8P86uiTMGsxFp1viw () mail ! gmail ! com
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sorry, disregard

On Sat, Jan 20, 2024 at 3:59 PM David Nicol <davidnicol@gmail.com> wrote:

> 0+ is special cased -- I bet if you added something else you'd get a
> result instead of a pass-through
>
> On Sat, Jan 20, 2024 at 4:17 AM Ruud H.G. van Tol via perl5-porters <
> perl5-porters@perl.org> wrote:
>
>>
>> Interesting.
>>
>> perl -E '$_=100; @a=(+$_, do{$_=200}); say "@a";'
>> 200 200
>>
>> perl -E '$_=100; @a=(0+$_, do{$_=200}); say "@a";'
>> 100 200
>>
>

[Attachment #3 (text/html)]

<div dir="ltr"><div dir="ltr">sorry, disregard</div><br><div class="gmail_quote"><div \
dir="ltr" class="gmail_attr">On Sat, Jan 20, 2024 at 3:59 PM David Nicol &lt;<a \
href="mailto:davidnicol@gmail.com">davidnicol@gmail.com</a>&gt; \
wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px \
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">0+ is \
special cased -- I bet if you added something else you&#39;d get a result instead of \
a pass-through</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On \
Sat, Jan 20, 2024 at 4:17 AM Ruud H.G. van Tol via perl5-porters &lt;<a \
href="mailto:perl5-porters@perl.org" target="_blank">perl5-porters@perl.org</a>&gt; \
wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px \
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br> Interesting.<br>
<br>
perl -E &#39;$_=100; @a=(+$_, do{$_=200}); say &quot;@a&quot;;&#39;<br>
200 200<br>
<br>
perl -E &#39;$_=100; @a=(0+$_, do{$_=200}); say &quot;@a&quot;;&#39;<br>
100 200<br></blockquote></div></blockquote></div></div>



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