Class: BankOCR::AccountNumber

Inherits:

Object

• Object
• BankOCR::AccountNumber

Defined in:

lib/account_number.rb

Overview

Object representing an account number

Instance Method Summary

• #initialize(digits) ⇒ AccountNumber constructor

  A new instance of AccountNumber.

• #to_s ⇒ Object
• #valid? ⇒ Boolean

Constructor Details

#initialize(digits) ⇒ AccountNumber

Returns a new instance of AccountNumber.

# File 'lib/account_number.rb', line 5

def initialize(digits)
  @digits = digits
end

Instance Method Details

#to_s ⇒ Object

# File 'lib/account_number.rb', line 13

def to_s
  @digits.map(&:value).join
end

#valid? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/account_number.rb', line 9

def valid?
  @valid ||= sum(to_s) % 11 == 0
end