durrellchamorro

class Sieve
  def initialize(limit)
    @number_list = (2..limit).to_a
  end

  def primes
    prime_numbers = []
    until @number_list.empty?
      prime_numbers << @number_list.first
      @number_list -= multiples_of @number_list.first

durrellchamorro

class Series
  attr_reader :digits

  def initialize(string_of_digits)
    @digits = string_of_digits.chars.map(&:to_i)
  end

  def slices(slice_size)
    fail ArgumentError, "Slice size cannot exceed caller's digit size." if slice_size > digits.size
    result = []

durrellchamorro

require 'benchmark'

class String
  def swap!(a,b)
    self[a], self[b] = self[b], self[a]
  self
  end
end

string1 = "Pneumonoultramicroscopicsilicovolcanoconiosis"

durrellchamorro

class Queens
  attr_reader :white, :black

  def initialize(white: [0, 3], black: [7, 3])
    @white, @black = white, black
    fail ArgumentError, "Queens cannot occupy the same position." if white == black
  end

  def to_s
    mark_board.map { |row| row.join(" ") }.join("\n")