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I deliberately use shift now, more and more, for two reasons:
  • I have a personal coding convention that all methods should begin with "my $self = shift" (or "my $class = shift" for class methods).
  • It opens up a place for me to comment on the expected type:
    sub map_names { my $mapping = shift; # hashref of first-last names my $insensitive = shift; # boolean: should uppercase be the same? my @names = @_; # remaining parameters are names ... }
    With the "my ($x, $y, $z) = @_" style, I don't have a clean place for those comments, unless I want to break the list on the left across many lines (ick).

-- Randal L. Schwartz, Perl hacker
Be sure to read my standard disclaimer if this is a reply.


In reply to Re^4: Stupid mistakes I repeatedly make by merlyn
in thread Stupid mistakes I repeatedly make by brian_d_foy

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