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@kek
Created August 13, 2012 15:53
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Option type-like (?) extension for Object
class Object
def or(els)
if block_given?
yield (self or els)
else
els
end
end
end
puts nil.or(0) { |x| x+1 }
puts 1.or(0) { |x| x+1 }
puts nil.or(0) + 1
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