seban

class CaseTest
  def initialize(number)
    @number = number
  end

  def test
    case @number
    when it_is_eight?
      'eight'
    when it_is_five?

seban

def fizzbuzz(number)
  case [number % 3, number % 5]
    in [0, 0] then 'FizzBuzz'
    in [0, _] then 'Fizz'
    in [_, 0] then 'Buzz'
  end
end

puts fizzbuzz(15)  # => 'FizzBuzz'
puts fizzbuzz(3)   # => 'Fizz'

seban

;; To run this one you need to have Leiningen installed.
;; cat reviewers.clj | lein repl
(def team
  ["Andrzej" "Artur" "Jarek" "Junior" "Oskar" "Piotr" "Paweł" "Sebastian"])

(def me "Sebastian")

(->> team
     (remove #(= %1 me))
     (shuffle)

seban

require 'benchmark'

def test_exception
  raise "test exception" unless true
  2 + 2
rescue
  4
end

def test_unless

seban

class TravelDocumentPolicy
  
  def create?
    user.agent? || user.superagent?
  end
  
  def update?
    create?
  end
  

seban

require "rubygems"
require "minitest/autorun"

describe "#let" do
  describe "problematic names" do
    let(:message) { "It is my message" }

    it "is not accessible" do
      message.must_equal "It is my message"
    end

seban

# Class validates if passed record's attribute value has proper Liquid template syntax.
class LiquidSyntaxValidator < ActiveModel::EachValidator

  def validate_each(record, attribute, template)
    Liquid::Template.parse(template)
  rescue Liquid::SyntaxError
    record.errors.add(attribute, :liquid_syntax_error)
  end

end

seban

Offer
  .with_nokaut_category_id(10745)
  .and({
         "$or" => [
                   { "is_trash"=>false }, { "is_trash" => { "$exists" => false } }
                  ]
       },
       {
         "$or" => [
                   { "xml_category" => /ultrad.wi.kowe/ },

seban

# Simple class which encapsulates Fizz Buzz logic. I decided to leave :fizz? and :buzz? method
# public, but in case of this puzzle it is unnecessary.
class FizzBuzz

  FIZZ = "Fizz"
  BUZZ = "Buzz"

  def initialize(number)
    @number = number
  end

seban

irb(main):002:0> @assign = {}
=> {}
irb(main):003:0> @assign[2] = 20
=> 20
irb(main):004:0> @assign[5] = 50
=> 50
irb(main):005:0> @assign[4] = 40
=> 40
irb(main):006:0> @assign[3] = 30
=> 30