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Re: syntax error with map in list context

by davidrw (Prior)
on Nov 20, 2005 at 12:48 UTC ( #510241=note: print w/replies, xml ) Need Help??

in reply to syntax error with map in list context

Hmm.. interesting.. Played with a bit, and found that this works:
my %data=map { +"Player number $_", [ map { 1 + int rand(10) } 1 .. 5 ] } 1 .. 10;
I'm can't explain why, but hopefully someone will help clarify.. must be related to evaluation order or something like that.

Two side comments .. This does (nearly) the same thing:
my %data=map { $_ => [ map { 1 + int rand(10) } 1 .. 5 ] } 1 .. 10;
First change is using => instead of a comma -- this makes it more obvious to the reader that you're constructing key-value pairs. Second is just making the key be the player number -- this might be useful to you later in the code, and then you can include the text "Player number" only when you're actually print'ing out the data later.

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[Corion]: ... an aggregator site that also listed (ideally) all of these links once. And maybe also have an exclude list to blacklist some of the most spammy links that the site may have never mentioned at all
[marto]: I gave up reading HN at all, and feel much better for it :P
[Corion]: Now, how to best automate that Google search ... :-)
[Corion]: marto: Yeah, I'm also short of not reading it at all. I already stopped reading it in the morning because it gave me a foul mood.
[Corion]: The good posts on HN are the non-computing posts. Most of the other stuff is maybe relevant to you if you are 20 and live in Silicon Valley...
[Corion]: Two attributes that don't describe me.
[Corion]: Maybe I should also write a curator for HN or simply not read it anymore, like you do.

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