19 lines
353 B
Ruby
19 lines
353 B
Ruby
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class YieldParser
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Result = Struct.new(:number, :label)
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def self.parse(yield_string)
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match = /(\d+(?:\.\d*)?)\s*(\w[\w\s]*)?/.match(yield_string)
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case
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when match.nil?
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nil
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when match[2]
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Result.new(match[1].to_f, match[2].strip.singularize)
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else
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Result.new(match[1].to_f, 'each')
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end
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end
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end
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