Interesting post ... it prompted me to run the following:
use warnings;
use Devel::Size qw(size);
$str = "123";
$str += 0; # numify $str
$num = int("123");
print size($str), " ", size($num), "\n";
On Win32 that outputs 32 16 ( 56 24 on a 64-bit build of perl). I guess that's a reliable way of determining the memory consumed by both $str (32 bytes) and $num (16 bytes). Zat right ?
Cheers, Rob
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