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I voted for the first option because I think it is mnemonic, but some of the others are also

  • ~>: (hand)wavy deref.
  • ?> & ?->: questionable deref. (With a preference for the shorter.)

With ->? it looks like the test comes after the deref.

+> & !> just look like typos.

->-> looks like a double deref, rather than a single conditional one.

I find all those using & anti-mnemonic in that elsewhere it takes a reference, rather than dereferences one.

And those containing = look much too much like a fat comma. The parser may be able to distinguish them, but I don't think my brain would.


With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

The start of some sanity?


In reply to Re: What operator should perl5porters use for safe dereferencing? by BrowserUk
in thread What operator should perl5porters use for safe dereferencing? by de-merphq

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    [Corion]: GotToBTru: Heh ;) I'm not really endorsing it, as I found that any gains made through it are easily squandered by the hours spent on configuring it. At least in my case :)
    [GotToBTru]: Like most Swiss Army Knives, you can cut yourself trying to find the blade you actually want
    [GotToBTru]: i am satisfied with the default settings turning the seemingly random formatting into something reliable
    [Corion]: GotToBTru: Yeah, I started a quick(ly implemented but slowly running) implementation of a program that would guess the "best" configuration (that is, least amount of changes) from my code, but then found that it stops parsing the source as soon as it ..
    [GotToBTru]: sadly, it can't do anything about this
    [Corion]: ... encounters sub foo($bar,$baz) {, which is something I like nowadays
    [Corion]: GotToBTru: Yeah, that stuff is hard to do away automatically ;)
    [GotToBTru]: yeah, you mentioned it could not handle signatures

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