$ perl -MO=Deparse -e '$hash{__PACKAGE__} = 1'

$hash{'__PACKAGE__'} = 1;

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__PACKAGE__ gets treated as a string, as does any bareword (keyword or not) that you use to index a hash (think $foo{shift}). The easiest fix is adding a plus sign to make it an expression instead of a string. 
$ perl -MO=Deparse -e '$hash{+__PACKAGE__} = 1'

$hash{'main'} = 1;

[download]

blokhead

In reply to Re: usage of __PACKAGE__ by blokhead
in thread usage of __PACKAGE__ by eXile

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