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annikoff/custom_array_each_method.rb

Created January 16, 2019 20:09
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Custom array each method
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custom_array_each_method.rb
class Array
def each(sym = nil)
return enum_for(:each) if !block_given? && sym.nil?
raise SyntaxError if block_given? && !sym.nil?
i = 0
while i < self.length
sym.nil? ? yield(self[i]) : self[i].send(sym)
i += 1
end
self
end
end
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