Like so?

my ($arg) = grep length, shift, 'default';
Or maybe so? 
my $grzblgh = sub { length or $_ = shift for shift };

sub f {
    (my $arg = shift)->$grzblgh("default");
}

[download]

In reply to Re: Assigning default values to function arguments which may be “empty” by Anonymous Monk
in thread Assigning default values to function arguments which may be “empty” by Wyrdweaver

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