Class: R0man::Number

Inherits:
Object
  • Object
show all
Includes:
SimpleValidation
Defined in:
lib/r0man/number.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(str) ⇒ Number

Returns a new instance of Number.



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# File 'lib/r0man/number.rb', line 18

def initialize(str)
  digits = str.each_char.map { |d| Digit.parse(d) }
  @valid, @invalid = digits.partition(&:valid?)
end

Class Method Details

.parse(str) ⇒ Object 



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# File 'lib/r0man/number.rb', line 13

def parse(str)
  new(str)
end

Instance Method Details

#value ⇒ Object 



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# File 'lib/r0man/number.rb', line 23

def value
  @value ||= @valid.each_cons(2).reduce(0) { |result, (d1, d2)| result += d1.value_compared_to(d2) } + @valid.last.value
end