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Functional Ruby
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| # define a closure x that exposes function y | |
| x = -> { | |
| y = -> { puts "y" }; | |
| { y: y } | |
| } | |
| # invoke public function y on x | |
| x.()[:y].() | |
| # alternately | |
| x.call[:y].call | |
| # => not pretty |
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