Method: Eg::Book::Money.parse

Defined in:
lib/eg/book/calculate_discount_money.rb

.parse(string) ⇒ Object

Raises:

  • (Exception) 


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# File 'lib/eg/book/calculate_discount_money.rb', line 28

def Money.parse string
  raise Exception.new('Invalid money value') unless string =~ /^\$/
  dot = string.index '.'
  raise Exception.new('Invalid money value') if dot.nil? or dot != string.size - 3
  money = string[1..-1].to_f
  Money.new money
end