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List:       python-ideas
Subject:    Re: [Python-ideas] Generator syntax hooks?
From:       Markus Meskanen <markusmeskanen () gmail ! com>
Date:       2017-08-11 20:08:37
Message-ID: CAJAvhDYEtiV9Z0TktbDn1ugbiMO5tVmZ421nAbvzgY3hsVs0KA () mail ! gmail ! com
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Though I still dop'nt think using "while" would really introduce that much
confusion -- sure, it doesn't introduce a new loop, but, as someone pointed
out earlier in this thread it really is only changing from a:

"while do"

to a

"do while"

construct -- so means pretty much the same thing.


+1 for the "while" from me too, I don't think most people would find it
confusing (supposing they don't find current [x for x in foo if ...]
confusing either), and introducing a break there is just more of a mess.

To those who say that it might get ugly if you do something like:

    [x for y in foo for x in y while x != y if x + y < 100]

This still isn't even unbearable, and once it gets that hard, maybe you
should consider something else anyways.

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<div dir="auto"><div class="gmail_extra" dir="auto"><div \
class="gmail_quote"><blockquote class="quote" style="margin:0 0 0 \
.8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div \
class="gmail_extra"><div class="gmail_quote"><div>Though I still dop&#39;nt think \
using &quot;while&quot; would really introduce that much confusion -- sure, it \
doesn&#39;t introduce a new loop, but, as someone pointed out earlier in this thread \
it really is only changing from a:<br></div><div><br></div><div>&quot;while \
do&quot;</div><div><br></div><div>to a</div><div><br></div><div>&quot;do \
while&quot;</div><div><br></div><div>construct -- so means pretty much the same \
thing.</div></div></div></div></blockquote></div></div><div dir="auto"><br></div><div \
dir="auto">+1 for the &quot;while&quot; from me too, I don&#39;t think most people \
would find it confusing (supposing they don&#39;t find current [x for x in foo if \
...] confusing either), and introducing a break there is just more of a \
mess.</div><div dir="auto"><br></div><div dir="auto">To those who say that it might \
get ugly if you do something like:</div><div dir="auto"><br></div><div dir="auto">    \
[x for y in foo for x in y while x != y if x + y &lt; 100]</div><div \
dir="auto"><br></div><div dir="auto">This still isn&#39;t even unbearable, and once \
it gets that hard, maybe you should consider something else anyways.</div><div \
class="gmail_extra" dir="auto"></div></div>



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