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To answer the last question, I have to say that

my $value = [ $x => $y ] -> [ $y <= $x ];

would not pass my code review. It is clever, but apparently pointlessly so. The fat comma in particular appears to be present only to cause confusion - a normal comma would add (a little) clarity. This code, even if commented, would cause many programmers to pause while they worked out quite what it was doing. That may only take a couple of seconds for an expert but pity the poor Perl newcomer who stumbles upon this.

For my money the ternary conditional version is perfectly clear and without overhead and would be the way I would choose to code this operation.

Regarding code reviews in general and workspace policies - I am essentially freelance and therefore am exposed to a wide range of different restrictions and policies. Generally speaking there are coding standards and a lot of the time these are enforced for the most part automatically (ie. on commit or pre-release). I don't do any pair-programming but there are code reviews of varying nature most of which would fit into your "lightweight" category. They don't tend to dwell on the minutiae; it is more a case of establishing clarity of purpose and eliminating flaws in security and robustness and promoting efficiency.

It is my personal belief (opinion alert!) that it will benefit any programmer to be exposed to code written in a wide variety of styles. That is partly why I am here in these hallowed halls. Here I see idioms, layouts, compound operators, data structures and algorithms which I would not generally have considered myself, to say nothing of being introduced to many useful modules which would otherwise have escaped my attention. With that in mind, communication between programmers whether on online fora or within (or between) development teams or even RLMs such as Perl Mongers are to be encouraged.

Thanks for this interesting meditation.


In reply to Re: The Boy Scout Rule by hippo
in thread The Boy Scout Rule by eyepopslikeamosquito

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