in reply to Re^5: keys of hash
in thread keys of hash

Using @hash{ @array } = (1) x @array would be more idiomatic. There's no need to get map involved since you really aren't changing the values of the array at all.

The cake is a lie.
The cake is a lie.
The cake is a lie.

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Re^7: keys of hash
by ambrus (Abbot) on May 19, 2010 at 06:49 UTC

    I usually use $hash{$_} = 1 for @array; instead.

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Re^7: keys of hash
by pemungkah (Priest) on May 18, 2010 at 21:09 UTC
    This is very pretty and useful. Filed.
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