in reply to Re^2: Elements added to hash in for loop
in thread Elements added to hash in for loop

I'm not nathaniels, but ...

> I hope that you use warnings so that if you employ the common parameter passing ... you will at least receive a warning message from Perl in case of such a lapse.

which warning?

  DB<102> use warnings;use strict; sub tst { my $scalar=@_; print $sca
+lar }

  DB<103>

[download]

=)

Cheers Rolf

( addicted to the Perl Programming Language)

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Re^4: Elements added to hash in for loop
by AnomalousMonk (Archbishop) on Dec 13, 2013 at 20:39 UTC 
    >perl -le
"use warnings; use strict;  sub tst { my ($scalar) = @_;  print $scala
+r }  tst
"
Use of uninitialized value $scalar in print at -e line 1.

    [download]

    That warning :)

[reply]
[d/l]

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