BTW, 
croak('oh crap!') if ref($_[0]) != 'HASH'

[download]
should be 
croak('oh crap!') if ref($_[0]) ne 'HASH';

[download]
in the example code of the OP.

In reply to Re: Preferred technique for named subroutine parameters? by AnomalousMonk
in thread Preferred technique for named subroutine parameters? by Anonymous Monk

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