Class: CompositeSequence

Inherits:

Object

• Object
• CompositeSequence

Defined in:

lib/composite_sequence.rb

Class Method Summary

• .of_base_prime(prime) ⇒ Object

Instance Method Summary

• #<=>(other) ⇒ Object
• #initialize(prime) ⇒ CompositeSequence constructor

  A new instance of CompositeSequence.

• #next ⇒ Object
• #take_next! ⇒ Object

Constructor Details

#initialize(prime) ⇒ CompositeSequence

Returns a new instance of CompositeSequence.

# File 'lib/composite_sequence.rb', line 7

def initialize(prime)
  @base = prime
  @current = 2 * prime
end

Class Method Details

.of_base_prime(prime) ⇒ Object

# File 'lib/composite_sequence.rb', line 3

def self.of_base_prime(prime)
  self.new(prime)
end

Instance Method Details

#<=>(other) ⇒ Object

# File 'lib/composite_sequence.rb', line 16

def <=>(other)
  self.next <=> other.next
end

#next ⇒ Object

# File 'lib/composite_sequence.rb', line 12

def next
  @current
end

#take_next! ⇒ Object

# File 'lib/composite_sequence.rb', line 20

def take_next!
  self.next.tap do
    @current += @base
  end
end