I hate this syntax construction. Absolutely hate it. "Why?" you might ask?

It's because $self isn't passed in to the function by the caller, it's passed in by the system. In my code, I like to differentiate that. This also allows me to go ahead and see my methods vs. any helper functions I might have defined.

sub blah {
    my $self = shift;
    my ($other, $vars) = @_;
}
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You get the expandability as well as the identification that it's a method call, all for the price of a cup of coffee.

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We are the carpenters and bricklayers of the Information Age.

Don't go borrowing trouble. For programmers, this means Worry only about what you need to implement.