Re: use array for hash-keys without loop

my %hash;                  # Note: you cannot use 'my' on a slice
@hash{@a} = (0) x @a;      # Initialise values to zero
@hash{@a} = undef;         # No values
@hash{@a} = @b;            # Take values from @b
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Comment on Re: use array for hash-keys without loop Download Code

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Re^2: use array for hash-keys without loop by jwkrahn (Abbot) on Mar 11, 2010 at 12:56 UTC
`$ perl -le' use Data::Dumper; my @a = "A" .. "D"; my %hash; $hash{@a} = (0) x @a; print Dumper \%hash; ' $VAR1 = { '4' => '0000' };` [download] Oops!	[reply] [d/l]
Re^3: use array for hash-keys without loop by almut (Canon) on Mar 11, 2010 at 13:06 UTC
`$hash{@a} = (0) x @a;` Using `@hash{@a}` (as cdarke did) instead of `$hash{@a}` avoids the issue...	[reply] [d/l] [select]
Re^4: use array for hash-keys without loop by jwkrahn (Abbot) on Mar 11, 2010 at 16:38 UTC
He must have changed it after I posted because I copied and pasted that from his post.	[reply]