diff options
| author | Scott Baker <scott@perturb.org> | 2023-03-29 09:12:45 -0700 |
|---|---|---|
| committer | Yves Orton <demerphq@gmail.com> | 2023-03-30 01:56:51 +0800 |
| commit | d25e62947b0777dedfed9171a9727adf20123adf (patch) | |
| tree | db5cad406d995e1910871dacaeb85e6d7a5e170a /pod | |
| parent | a25cf22db7942a05b6a733ee154116929def1f2a (diff) | |
| download | perl-d25e62947b0777dedfed9171a9727adf20123adf.tar.gz | |
Fix some wording per @demerphq
Diffstat (limited to 'pod')
| -rw-r--r-- | pod/perlfunc.pod | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/pod/perlfunc.pod b/pod/perlfunc.pod index 8becd9bed6..1b30513902 100644 --- a/pod/perlfunc.pod +++ b/pod/perlfunc.pod @@ -6094,9 +6094,7 @@ one element. # @arr is now ('cat', 'dog') -Returns C<undef> if the array is empty. If ARRAY is omitted, C<pop> operates on -the L<C<@ARGV>|perlvar/@ARGV> array in the main program, but the -L<C<@_>|perlvar/@_> array in subroutines. +Returns C<undef> if the array is empty. B<Note:> C<pop> may also return C<undef> if the last element in the array is C<undef>. @@ -6104,8 +6102,10 @@ is C<undef>. my @arr = ('one', 'two', undef); my $item = pop(@arr); # undef -C<pop> will operate on the C<@ARGV> array in C<eval STRING>, -C<BEGIN {}>, C<INIT {}>, C<CHECK {}> blocks. +If ARRAY is omitted, C<pop> operates on the L<C<@ARGV>|perlvar/@ARGV> array +in the main program, but the L<C<@_>|perlvar/@_> array in subroutines. C<pop> +will operate on the C<@ARGV> array in C<eval STRING>, C<BEGIN {}>, C<INIT {}>, +C<CHECK {}> blocks. Starting with Perl 5.14, an experimental feature allowed L<C<pop>|/pop ARRAY> to take a @@ -7678,9 +7678,7 @@ array by one and moves everything down. # @arr is now ('dog'); -Returns C<undef> if the array is empty. If ARRAY is omitted, C<shift> -operates on the C<@ARGV> array in the main program, and the C<@_> array -in subroutines. +Returns C<undef> if the array is empty. B<Note:> C<shift> may also return C<undef> if the first element in the array is C<undef>. @@ -7688,8 +7686,9 @@ is C<undef>. my @arr = (undef, 'two', 'three'); my $item = shift(@arr); # undef -C<shift> will operate on the C<@ARGV> array in C<eval STRING>, -C<BEGIN {}>, C<INIT {}>, C<CHECK {}> blocks. +If ARRAY is omitted, C<shift> operates on the C<@ARGV> array in the main +program, and the C<@_> array in subroutines. C<shift> will operate on the +C<@ARGV> array in C<eval STRING>, C<BEGIN {}>, C<INIT {}>, C<CHECK {}> blocks. Starting with Perl 5.14, an experimental feature allowed L<C<shift>|/shift ARRAY> to take a |