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Re^2: Preventing unintended list expansion inside hash literals.

by vr (Curate)
on Jan 06, 2017 at 19:26 UTC ( [id://1179097]=note: print w/replies, xml ) Need Help??

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  1. or download this
    >perl -E "$h{$_} = $_ for 0 .. 5_000_000; say time - $^T; keys %h; say
+ time - $^T; $k = scalar each %h; say time - $^T; say $k"
10
...
10
176
4034296

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