Re: [Templates] hash.keys not working on blessed hash?

> package UNIVERSAL;

Simon Wistow wrote:
[...]
> package UNIVERSAL;
> 
> sub keys {
>     my $self = shift;
>     return unless ref $self;

return unless ref $self && $self->isa( 'HASH' );

...otherwise, the next line is going to die on any object reference that 
isn't a hash.

>     return keys %{$self};
> }

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