Created
September 1, 2014 02:45
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answer for "ref ... and ... っていうのは何がしたい?"
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use strict; | |
use warnings; | |
use Data::Dumper; | |
### case of scalar | |
{ | |
my $data = 123; | |
ref $data and $data = undef; | |
print Dumper({'SCALAR' => $data}); | |
}; | |
### case of reference | |
{ | |
my $data = { hoge => 'fuga' } ; | |
ref $data and $data = undef; | |
print Dumper({'HASHREF' => $data}); | |
}; |
Author
ytnobody
commented
Sep 1, 2014
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