...the index is implicitly converted before being used.

...and it does so via truncation: 

% perl -le 'print +(0, 1)[0.999999]'
0

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as opposed to rounding, and that's why it works so well in $arr[rand @arr].

the lowliest monk

In reply to Re^3: Randomly picking numbers by tlm
in thread Randomly picking numbers by Anonymous Monk

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