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Re: a warning I'd like to see

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From:
Moritz Lenz
Date:
January 25, 2008 06:57
Subject:
Re: a warning I'd like to see
Message ID:
4799EFFD.1080009@casella.verplant.org
John W. Krahn wrote:
> Abigail wrote:
>> On Thu, Jan 24, 2008 at 05:45:18PM -0600, David Nicol wrote:
>>> alert me when I give map an arrayref instead of an array
>>>
>>> $ perl -le 'use warnings; print join "|", map {$_ + 2} [ 1..6 ]'
>>> 268504834
>>>
>>>
>>> this happened to me today, as a function was returning an arrayref and
>>> I forgot to wrap it in @{...} before feeding it to map.
>> 
>> 
>> You'd like to see that Schwartzian Transfers start to warn?
> 
> What's a "Schwartzian Transfer"?  I've never heard of that before.

Probably a typo, and the Schwartzian Transform is meant instead:

http://en.wikipedia.org/wiki/Schwartzian_transform

Moritz

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