First of all, it doesn't make sense to use a hash when you are encoding order for obvious reasons

Exactly!

The proper Perl structure for which would be:

No, then you'd have to do 

(keys(%$param))[0]

[download]

instead of 

$param->{key}

[download]

to get the key. That's much worse.

In reply to Re^11: the annoying keys "key" and "value" by ikegami
in thread the annoying keys "key" and "value" by jabowery

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