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| author | Rafael Garcia-Suarez <rgarciasuarez@gmail.com> | 2004-03-21 13:06:20 +0000 |
|---|---|---|
| committer | Rafael Garcia-Suarez <rgarciasuarez@gmail.com> | 2004-03-21 13:06:20 +0000 |
| commit | 58a9d1fc4b9782cdc8aaf9dd6fdfa2736076b173 (patch) | |
| tree | 899a993a889b10bd02600ca1f907c3d07c505d61 /pod | |
| parent | 984200d0e3101dedd636f99bf5d5603033f7162d (diff) | |
| download | perl-58a9d1fc4b9782cdc8aaf9dd6fdfa2736076b173.tar.gz | |
Add a new warning "Negative repeat count"
for the cases $x x -1.
p4raw-id: //depot/perl@22543
Diffstat (limited to 'pod')
| -rw-r--r-- | pod/perlop.pod | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/pod/perlop.pod b/pod/perlop.pod index 86cb294fe3..4430fe7609 100644 --- a/pod/perlop.pod +++ b/pod/perlop.pod @@ -238,7 +238,9 @@ Binary "x" is the repetition operator. In scalar context or if the left operand is not enclosed in parentheses, it returns a string consisting of the left operand repeated the number of times specified by the right operand. In list context, if the left operand is enclosed in -parentheses, it repeats the list. +parentheses, it repeats the list. If the right operand is zero or +negative, it returns an empty string or an empty list, depending on the +context. print '-' x 80; # print row of dashes |