module StringCalculator
Constants
- VERSION
Public Instance Methods
array_sum()
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# File lib/string_calculator.rb, line 23 def array_sum sum = 0 digits.each { |x| sum+=x if x < 1001 } sum end
delimiter()
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# File lib/string_calculator.rb, line 10 def delimiter ',' end
digits()
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# File lib/string_calculator.rb, line 14 def digits gsub(regular_expression,delimiter).split(delimiter).reject(&:empty?).map(&:to_i) end
manipulate()
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# File lib/string_calculator.rb, line 4 def manipulate return 0 if empty? raise_if_negatives_present if include?("-") return array_sum end
raise_if_negatives_present()
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# File lib/string_calculator.rb, line 18 def raise_if_negatives_present negativies = digits.select{|x| x < 0} raise "Negativies not allowed:#{negativies.join(',')}" if negativies.any? end
regular_expression()
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# File lib/string_calculator.rb, line 29 def regular_expression /[\n`~!@#$%^&*()_|+\=?;:'",.<>\{\}\[\]\\\/]/ end