summaryrefslogtreecommitdiffstats
path: root/contrib/perl5/lib/bytes.pm
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/perl5/lib/bytes.pm')
-rw-r--r--contrib/perl5/lib/bytes.pm69
1 files changed, 0 insertions, 69 deletions
diff --git a/contrib/perl5/lib/bytes.pm b/contrib/perl5/lib/bytes.pm
deleted file mode 100644
index f2f7e01..0000000
--- a/contrib/perl5/lib/bytes.pm
+++ /dev/null
@@ -1,69 +0,0 @@
-package bytes;
-
-$bytes::hint_bits = 0x00000008;
-
-sub import {
- $^H |= $bytes::hint_bits;
-}
-
-sub unimport {
- $^H &= ~$bytes::hint_bits;
-}
-
-sub AUTOLOAD {
- require "bytes_heavy.pl";
- goto &$AUTOLOAD;
-}
-
-sub length ($);
-
-1;
-__END__
-
-=head1 NAME
-
-bytes - Perl pragma to force byte semantics rather than character semantics
-
-=head1 SYNOPSIS
-
- use bytes;
- no bytes;
-
-=head1 DESCRIPTION
-
-WARNING: The implementation of Unicode support in Perl is incomplete.
-See L<perlunicode> for the exact details.
-
-The C<use bytes> pragma disables character semantics for the rest of the
-lexical scope in which it appears. C<no bytes> can be used to reverse
-the effect of C<use bytes> within the current lexical scope.
-
-Perl normally assumes character semantics in the presence of character
-data (i.e. data that has come from a source that has been marked as
-being of a particular character encoding). When C<use bytes> is in
-effect, the encoding is temporarily ignored, and each string is treated
-as a series of bytes.
-
-As an example, when Perl sees C<$x = chr(400)>, it encodes the character
-in UTF8 and stores it in $x. Then it is marked as character data, so,
-for instance, C<length $x> returns C<1>. However, in the scope of the
-C<bytes> pragma, $x is treated as a series of bytes - the bytes that make
-up the UTF8 encoding - and C<length $x> returns C<2>:
-
- $x = chr(400);
- print "Length is ", length $x, "\n"; # "Length is 1"
- printf "Contents are %vd\n", $x; # "Contents are 400"
- {
- use bytes;
- print "Length is ", length $x, "\n"; # "Length is 2"
- printf "Contents are %vd\n", $x; # "Contents are 198.144"
- }
-
-For more on the implications and differences between character
-semantics and byte semantics, see L<perlunicode>.
-
-=head1 SEE ALSO
-
-L<perlunicode>, L<utf8>
-
-=cut
OpenPOWER on IntegriCloud