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| author | Simon Cozens <simon@netthink.co.uk> | 2000-12-28 20:33:13 +0000 |
|---|---|---|
| committer | Jarkko Hietaniemi <jhi@iki.fi> | 2000-12-28 21:52:42 +0000 |
| commit | d804643f1d3e26c9c696bb1ebe8344dd5f1c8f6d (patch) | |
| tree | 62c294e518d95ff78b72649c44e4f49b5eec3a30 /pod | |
| parent | 0d73d187eb6a7f76dde07ae608622944dbccd4e9 (diff) | |
| download | perl-d804643f1d3e26c9c696bb1ebe8344dd5f1c8f6d.tar.gz | |
Re: [PATCH] Warn on use of reference as array elem
Message-ID: <20001228203313.A2607@deep-dark-truthful-mirror.perlhacker.org>
p4raw-id: //depot/perl@8234
Diffstat (limited to 'pod')
| -rw-r--r-- | pod/perldiag.pod | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/pod/perldiag.pod b/pod/perldiag.pod index abbdea7aa3..be1592655c 100644 --- a/pod/perldiag.pod +++ b/pod/perldiag.pod @@ -3710,6 +3710,15 @@ old way has bad side effects. (D deprecated) This was an ill-advised attempt to emulate a poorly defined B<awk> feature. Use an explicit printf() or sprintf() instead. +=item Use of reference "%s" in array index + +(W) You tried to use a reference as an array index; this probably +isn't what you mean, because references tend to be huge numbers which +take you out of memory, and so usually indicates programmer error. + +If you really do mean it, explicitly numify your reference, like so: +C<$array[0+$ref]> + =item Use of reserved word "%s" is deprecated (D deprecated) The indicated bareword is a reserved word. Future |