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perl6/gist:120339

Created May 30, 2009 02:52
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pmichaud@plum:~/rakudo$ ./perl6
> my $b = 5; sub foo($a) { $b++; $a++; say $a; }; foo($b)
Cannot assign to readonly variable.
in sub foo (<unknown>:1)
called from Main (<unknown>:1)
>
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