http://www.perlmonks.org?node_id=1065375


in reply to Re^5: use feature 'postderef'; # Postfix Dereference Syntax is coming in 5.20
in thread use feature 'postderef'; # Postfix Dereference Syntax is coming in 5.20

Who said anything about =?
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A math joke: r = | |csc(θ)|+|sec(θ)| |-| |csc(θ)|-|sec(θ)| |