http://www.perlmonks.org?node_id=1008859


in reply to Re^4: $1 not "freezing" in an addition
in thread $1 not "freezing" in an addition

Interesting. This gave me the idea of trying this code:

$_ = 1; print $_ + $_++;

Amazingly enough, this prints 3, not 2

But this does print 2:

$_ = 1; print 0+$_ + $_++;