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perspectivezoom/new_count.rb

Created June 15, 2012 19:55
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new_count.rb
class Array
def new_count
self.inject(0) { |accum , i| yield(i) ? accum += 1 : accum }
end
end
# Exercise for the reader: Figure out why my original idea: "self.inject(0) { |accum , i| accum += 1 if yield(i) }" is not completely valid
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