diff options
Diffstat (limited to 'pod/perldiag.pod')
| -rw-r--r-- | pod/perldiag.pod | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/pod/perldiag.pod b/pod/perldiag.pod index a4c6543bd2..aab783103e 100644 --- a/pod/perldiag.pod +++ b/pod/perldiag.pod @@ -3844,6 +3844,14 @@ about. (W) You did C<use re;> without any arguments. That isn't very useful. +=item Useless use of sort in scalar context + +(W void) You used sort in scalar context, as in : + + my $x = sort @y; + +This is not very useful, and perl currently optimizes this away. + =item Useless use of %s with no values (W syntax) You used the push() or unshift() function with no arguments |