use strict;

my @keys = (1..3); my @values = (4..6);

my %hash; @hash{@keys} = @values;  # works, but two statements

# my %hash{@keys} = @values;  I wished this worked, but syntax error

# my @hash{@keys} = @values;  Also syntax error

# my $hash{@keys} = @values;  Clearly wrong, and dumb (and syntax error)

my %hash = map {$keys[$_] => $values[$_]} (0..$#keys); # Far too long-winded

no strict; @hash{@keys} = @values; # works, but ew