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by lostmypw 5424 days ago
I'm late to the party again.

To understand the importance of closures it might be interesting to look at this poster[1]. Look at the node in the top left that says "Functional programming". Every paradigm that descends from that node depends on closures. THAT's how important they are.

[1] http://www.info.ucl.ac.be/~pvr/paradigms.html