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halferty/aaa.rb

Last active August 29, 2015 14:10
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more monads
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aaa.rb
class Object; def if(&block); (yield(self))? self : nil; end; end;
class String; def unless_empty; self.if { |a| a.size > 0 }; end; end;
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halferty commented Dec 1, 2014

"".unless_empty.andand.length

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