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"be consistent"

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Style, readability and maintainability are much more important in most cases. That's why I always assign @_ to a list of lexicals, unless I'm coding a one-liner. In classes for tie, I often use shift and pop in examples.

sub TIESCALAR { bless \(my $foo = pop), shift; } sub STORE { ${ +shift } = pop } sub FETCH { ${ +shift } } ### sub foo { my ($self, $foo) = @_; ... } sub foobar { my ($self, %options) = @_; ... }
If I use @_ and the sub is small (5 lines or less), I do shift the object and then use @_, because that saves me an array. Besides, sometimes you want to change the values, in which case you have to use @_.

Some examples of things that I do not like:
# Bad sub foo { my $self = shift; ... not using @_ anymore } sub bar { my $self = shift; my %options = @_; ... } # Worse sub foo { my $self = shift; my $foo = shift; my $bar = shift; ... } # Awful sub foo { my $self = shift; my $foo = shift; ... my $bar = shift; ... }
I dislike anything using more than one shift.

- Yes, I reinvent wheels.
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In reply to Re: Shift versus Sanity by Juerd
in thread Shift versus Sanity by tadman

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