I find that @$a->{ EXPR } won't work, because it expects $a to be an ARRAY ref. @{ $a }{ EXPR } should be used instead.

Here's a slightly shorter version of your code: @{$a}{keys %b} = values %b; keys and values always return their results in corresponding order.

In reply to Re: Merging hashes (clobber duplicate keys) by chipmunk
in thread Merging hashes (clobber duplicate keys) by baku

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