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| author | Jarkko Hietaniemi <jhi@iki.fi> | 1999-08-30 21:20:50 +0000 |
|---|---|---|
| committer | Jarkko Hietaniemi <jhi@iki.fi> | 1999-08-30 21:20:50 +0000 |
| commit | b9f7914694d22ad96effe91938bfaeb79e34b8f4 (patch) | |
| tree | d1f07e360c349c73e52b3b40f93111e08f346180 /pod/perlop.pod | |
| parent | a7f7c56a0c6842f0550ac1a91afcc345cdc1a578 (diff) | |
| download | perl-b9f7914694d22ad96effe91938bfaeb79e34b8f4.tar.gz | |
Document the undefinedness of overshifting.
p4raw-id: //depot/cfgperl@4055
Diffstat (limited to 'pod/perlop.pod')
| -rw-r--r-- | pod/perlop.pod | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/pod/perlop.pod b/pod/perlop.pod index 14ca6b5ec0..2b5b789ea6 100644 --- a/pod/perlop.pod +++ b/pod/perlop.pod @@ -220,11 +220,15 @@ Binary "." concatenates two strings. Binary "<<" returns the value of its left argument shifted left by the number of bits specified by the right argument. Arguments should be -integers. (See also L<Integer Arithmetic>.) +integers. (See also L<Integer Arithmetic>.) Shifting more than the +width of the available integer in bits (usually 32 or 64) produces +undefined (machine dependent) results. Binary ">>" returns the value of its left argument shifted right by the number of bits specified by the right argument. Arguments should -be integers. (See also L<Integer Arithmetic>.) +be integers. (See also L<Integer Arithmetic>.) Shifting more than the +width of the available integer in bits (usually 32 or 64) produces +undefined (machine dependent) results. =head2 Named Unary Operators |