A nit. 
my $method = $method_and_structure[@method_and_structure-1];

[download]
is better written (and slightly faster) as 
my $method = $method_and_structure[-1];

[download]

But, most examples I've seen tend to do the one of the following: 

my $method = (split '::', $AUTOLOAD)[-1];

####

my ($method) = $AUTOLOAD =~ /([^:]+)$/;

####

(my $method = $AUTOLOAD) =~ s/.*:://;

[download]

In that last, you want to use .* as opposed to .*? because you want it to be as greedy as possible.

Update: Fixed slice to scalar access.

Update: Added parentheses in second-to-last example.

Being right, does not endow the right to be rude; politeness costs nothing.
Being unknowing, is not the same as being stupid.
Expressing a contrary opinion, whether to the individual or the group, is more often a sign of deeper thought than of cantankerous belligerence.
Do not mistake your goals as the only goals; your opinion as the only opinion; your confidence as correctness. Saying you know better is not the same as explaining you know better.

In reply to Re^2: AUTOLOAD - the good, the bad, and the ugly by dragonchild
in thread AUTOLOAD - the good, the bad, and the ugly by shemp

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