in reply to what do you call this data structure?

To use slightly-more Perlspeak:   “$c is a hashref that refers to a hash containing two keys, even and odd, both of which are arrayrefs that refer to a separate arrays of 4 integers.”

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Re^2: what do you call this data structure?
by Anonymous Monk on Aug 27, 2013 at 22:35 UTC
    hashkey can't be arrayrefs, they're hashkeys, they're strings