Re^2: passing arrays to subroutines

[nobull]

in reply to Re: passing arrays to subroutines
in thread passing arrays to subroutines

    my $a=@_[0];

Unpacking @_ with explicit subscripts is inefficient and unsightly. Using an array slice in a scalar context is also messy.

    my ($a)=@_;

or

    my $a=shift;