class Prime::EratosthenesGenerator

An implementation of PseudoPrimeGenerator.

Uses EratosthenesSieve.

Public Class Methods

Source

# File lib/backports/1.9.1/stdlib/prime.rb, line 309
def initialize
  @last_prime_index = -1
  super
end

Calls superclass method Prime::PseudoPrimeGenerator::new

Public Instance Methods

next ()

Alias for: succ

rewind ()

Source

# File lib/backports/1.9.1/stdlib/prime.rb, line 318
def rewind
  initialize
end

succ ()

Source

# File lib/backports/1.9.1/stdlib/prime.rb, line 314
def succ
  @last_prime_index += 1
  EratosthenesSieve.instance.get_nth_prime(@last_prime_index)
end

Also aliased as: next