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| author | Mike Guy <mjtg@cam.ac.uk> | 2000-08-23 19:38:46 +0100 |
|---|---|---|
| committer | Jarkko Hietaniemi <jhi@iki.fi> | 2000-08-23 17:52:00 +0000 |
| commit | fe58ced666d4d8b2252541f18d23bdd3e127c8f9 (patch) | |
| tree | 54a0d396cf16a574cd4fffa6c1e8d7db063abc46 /pod/perlfunc.pod | |
| parent | 86d0a7b65418bdabaf45d7a881d3bde91d5f8bee (diff) | |
| download | perl-fe58ced666d4d8b2252541f18d23bdd3e127c8f9.tar.gz | |
Re: [ID 20000821.008] Negitive numbers with vec dumps core
Message-Id: <E13ReUA-0000vC-00@virgo.cus.cam.ac.uk>
p4raw-id: //depot/perl@6790
Diffstat (limited to 'pod/perlfunc.pod')
| -rw-r--r-- | pod/perlfunc.pod | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/pod/perlfunc.pod b/pod/perlfunc.pod index 977261936f..0235c37fed 100644 --- a/pod/perlfunc.pod +++ b/pod/perlfunc.pod @@ -5497,9 +5497,10 @@ to give the expression the correct precedence as in vec($image, $max_x * $x + $y, 8) = 3; -If the selected element is off the end of the string, the value 0 is -returned. If an element off the end of the string is written to, -Perl will first extend the string with sufficiently many zero bytes. +If the selected element is outside the string, the value 0 is returned. +If an element off the end of the string is written to, Perl will first +extend the string with sufficiently many zero bytes. It is an error +to try to write off the beginning of the string (i.e. negative OFFSET). Strings created with C<vec> can also be manipulated with the logical operators C<|>, C<&>, C<^>, and C<~>. These operators will assume a bit |