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Perl: the Markov chain saw

Re^2: (another) HoH question

by muba (Priest)
on Jun 23, 2012 at 19:53 UTC ( #978011=note: print w/ replies, xml ) Need Help??

in reply to Re: (another) HoH question
in thread (another) HoH question

"a hash cannot have duplicate keys". If a hash could look like this: (...snip...) would perl know what value to return when you said, "Give me the value associated with the key '456'?

True. But a hash value can be an array ref, so in a way you can associate multiple values to a single key. Which, I think, is what is needed here.

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