Class: Cdigits::Luhn::RandomTable

Inherits:
Object
  • Object
show all
Defined in:
lib/cdigits/luhn/random_table.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(modulus:) ⇒ RandomTable

Returns a new instance of RandomTable.



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# File 'lib/cdigits/luhn/random_table.rb', line 8

def initialize(modulus:)
  @modulus = modulus
  @previsous = nil
end

Instance Attribute Details

#previsous ⇒ Object

Returns the value of attribute previsous.



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# File 'lib/cdigits/luhn/random_table.rb', line 6

def previsous
  @previsous
end

Instance Method Details

#pick(exclude: []) ⇒ Integer

pick from number table

Parameters:

  • exclude (Array<Intger>) (defaults to: []) —

    exclude numbers

Returns:

  • (Integer) 


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# File 'lib/cdigits/luhn/random_table.rb', line 22

def pick(exclude: [])
  table(exclude).sample
end

#pick_non_zero ⇒ Integer

pick from number table exclude 0

Returns:

  • (Integer) 


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# File 'lib/cdigits/luhn/random_table.rb', line 15

def pick_non_zero
  pick(exclude: [0])
end