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| -rw-r--r-- | pod/perldata.pod | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/pod/perldata.pod b/pod/perldata.pod index 6ffd38c817..3e10e6f3d4 100644 --- a/pod/perldata.pod +++ b/pod/perldata.pod @@ -275,7 +275,6 @@ integer formats: 0xff # hex 0377 # octal 0b011011 # binary - v102.111.111 # string (made of characters "f", "o", "o") String literals are usually delimited by either single or double quotes. They work much like quotes in the standard Unix shells: @@ -332,7 +331,13 @@ readable interpolation form C<"\x{1}\x{14}\x{12c}\x{fa0}">. This is useful for representing Unicode strings, and for comparing version "numbers" using the string comparison operators, C<cmp>, C<gt>, C<lt> etc. If there are two or more dots in the literal, the leading C<v> may be -omitted. Such literals are accepted by both C<require> and C<use> for +omitted. + + print v9786; # prints UTF-8 encoded SMILEY, "\x{263a}" + print v102.111.111; # prints "foo" + print 102.111.111; # same + +Such literals are accepted by both C<require> and C<use> for doing a version check. The C<$^V> special variable also contains the running Perl interpreter's version in this form. See L<perlvar/$^V>. |