diff options
| -rw-r--r-- | pod/perlfunc.pod | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/pod/perlfunc.pod b/pod/perlfunc.pod index c9efcd1231..88cbb0a6e5 100644 --- a/pod/perlfunc.pod +++ b/pod/perlfunc.pod @@ -5273,9 +5273,13 @@ to give the expression the correct precedence as in vec($image, $max_x * $x + $y, 8) = 3; -Vectors created with C<vec> can also be manipulated with the logical -operators C<|>, C<&>, and C<^>, which will assume a bit vector -operation is desired when both operands are strings. +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. + +Strings created with C<vec> can also be manipulated with the logical +operators C<|>, C<&>, C<^>, and C<~>. These operators will assume a bit +vector operation is desired when both operands are strings. See L<perlop/"Bitwise String Operators">. The following code will build up an ASCII string saying C<'PerlPerlPerl'>. |