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Re^2: map problem

by morgon (Curate)
on Mar 09, 2012 at 11:01 UTC ( #958678=note: print w/replies, xml ) Need Help??

in reply to Re: map problem
in thread map problem

Ok, but why is it neccessary only in the second case?

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Re^3: map problem
by moritz (Cardinal) on Mar 09, 2012 at 11:05 UTC

    The decision to parse an opening curly bracket as a block or a hash ref is really just a heuristic. When the parser sees a string quote, it decides in favor of the hash ref, whereas a variable makes it assume a block.

    Or put differently, the parser cheats as hell, and sometimes that backfires. But not always.

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