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[perl #24120] Tie::Hash documentation has broken code

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From:
Benjamin J. Tilly
Date:
October 5, 2003 15:59
Subject:
[perl #24120] Tie::Hash documentation has broken code
Message ID:
rt-24120-65664.15.9776865968429@rt.perl.org
# New Ticket Created by  "Benjamin J. Tilly" 
# Please include the string:  [perl #24120]
# in the subject line of all future correspondence about this issue. 
# <URL: http://rt.perl.org/rt2/Ticket/Display.html?id=24120 >


This is a bug report for perl from ben_tilly@operamail.com,
generated with the help of perlbug 1.34 running under perl v5.8.0.


-----------------------------------------------------------------
[Please enter your report here]

In the documentation for Tie::Hash where it explains how to
inherit from Tie::ExtraHash the code sample inherits from the
wrong class, and has a TIEHASH method that does not return an
object.  The following patch fixes that.

--- Hash.pm.old 2003-10-05 11:32:29.000000000 -0700
+++ Hash.pm     2003-10-05 11:36:31.000000000 -0700
@@ -1,6 +1,6 @@
 package Tie::Hash;
 
-our $VERSION = '1.00';
+our $VERSION = '1.01';
 
 =head1 NAME
 
@@ -136,12 +136,13 @@
 hash C<< %{ $_[0]->[0] } >>:
 
   package ReportHash;
-  our @ISA = 'Tie::StdHash';
+  our @ISA = 'Tie::ExtraHash';
 
   sub TIEHASH  {
-    my $storage = bless {}, shift;
+    my $class = shift;
+    my $storage = bless [{}, @_], $class;
     warn "New ReportHash created, stored in $storage.\n";
-    [$storage, @_]
+    $storage;
   }
   sub STORE    {
     warn "Storing data with key $_[1] at $_[0].\n";


[Please do not change anything below this line]
-----------------------------------------------------------------
---
Flags:
    category=library
    severity=low
---
Site configuration information for perl v5.8.0:

Configured by Debian Project at Fri Jun  6 00:10:15 EST 2003.

Summary of my perl5 (revision 5.0 version 8 subversion 0) configuration:
  Platform:
    osname=linux, osvers=2.4.20-xfs+ti1211, archname=i386-linux-thread-multi
    uname='linux kosh 2.4.20-xfs+ti1211 #1 sat nov 30 19:19:08 est 2002 i686 gnulinux '
    config_args='-Dusethreads -Duselargefiles -Dccflags=-DDEBIAN -Dcccdlflags=-fPIC -Darchname=i386-linux -Dprefix=/usr -Dprivlib=/usr/share/perl/5.8.0 -Darchlib=/usr/lib/perl/5.8.0 -Dvendorprefix=/usr -Dvendorlib=/usr/share/perl5 -Dvendorarch=/usr/lib/perl5 -Dsiteprefix=/usr/local -Dsitelib=/usr/local/share/perl/5.8.0 -Dsitearch=/usr/local/lib/perl/5.8.0 -Dman1dir=/usr/share/man/man1 -Dman3dir=/usr/share/man/man3 -Dman1ext=1 -Dman3ext=3perl -Dpager=/usr/bin/sensible-pager -Uafs -Ud_csh -Uusesfio -Uusenm -Duseshrplib -Dlibperl=libperl.so.5.8.0 -Dd_dosuid -des'
    hint=recommended, useposix=true, d_sigaction=define
    usethreads=define use5005threads=undef useithreads=define usemultiplicity=define
    useperlio=define d_sfio=undef uselargefiles=define usesocks=undef
    use64bitint=undef use64bitall=undef uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='cc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
    optimize='-O3',
    cppflags='-D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fno-strict-aliasing'
    ccversion='', gccversion='3.3 (Debian)', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
    ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
    alignbytes=4, prototype=define
  Linker and Libraries:
    ld='cc', ldflags =' -L/usr/local/lib'
    libpth=/usr/local/lib /lib /usr/lib
    libs=-lgdbm -ldb -ldl -lm -lpthread -lc -lcrypt
    perllibs=-ldl -lm -lpthread -lc -lcrypt
    libc=/lib/libc-2.3.1.so, so=so, useshrplib=true, libperl=libperl.so.5.8.0
    gnulibc_version='2.3.1'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-rdynamic'
    cccdlflags='-fPIC', lddlflags='-shared -L/usr/local/lib'

Locally applied patches:
    

---
@INC for perl v5.8.0:
    /etc/perl
    /usr/local/lib/perl/5.8.0
    /usr/local/share/perl/5.8.0
    /usr/lib/perl5
    /usr/share/perl5
    /usr/lib/perl/5.8.0
    /usr/share/perl/5.8.0
    /usr/local/lib/site_perl
    .

---
Environment for perl v5.8.0:
    HOME=/home/tilly
    LANG=C
    LANGUAGE (unset)
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=/usr/local/bin:/usr/bin:/bin:/usr/bin/X11:/usr/games
    PERL_BADLANG (unset)
    SHELL=/bin/bash



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