gistfile1.rb

a = [323,434,543]

(1..5).collect { |v| {name: "pole #{v}"} }

a.tap {|ary| ary << 333}
a.include? 333
a.inject{|sum,x| sum + x }
a.reduce(:+)

headers = ["one","two","three"]
rows = ["1","2","3"]
sheet_arr = headers.zip(rows)
sheet_arr.transpose

sheet_hsh = Hash[headers.zip(rows)]

a << 333

a.uniq!

a.sort!
a.shuffle!

a.sample

a.reverse

class Tracker
  attr_accessor :is_running
  def initialize
    @time = Time.now
    @is_running = true
  end

  def to_s
    @time.strftime("%m-%e-%y %H:%M")
  end
end

trackers = []
5.times do |i|
  trackers << Tracker.new
end

# trackers.map do |t|
#   puts t
# end
# trackers.map { |t| puts t }

trackers.last(2).map{|t| t.is_running = false}

trackers.reject { |t| t.is_running }
trackers.select { |t| t.is_running }

# merge

# h = [{"id"=>3,"val"=>"vw","model"=>"golf"},{"id"=>4,"val"=>"vw","model"=>"polo"},{"id"=>5,"val"=>"vw","model"=>"garbus"}]
# h.group_by { |i| i["vw"] }.map do |brand, group|
#   {
#     "id" => group["id"],
#     brand["val"] => {
#       "model" => group["model"]
#     }
#   }
# end









class Board
  def initialize
    @cells = []
    @cells[0] = {name: "pole 1"}
    @cells[1] = {name: "pole 2"}
    @cells[2] = {name: "pole 3"}
    @cells[3] = {name: "pole 4"}
    @cells[4] = {name: "pole 5"}
    @cells[5] = {name: "won!"}
  end
  def cell_name(pos)
    @cells[pos][:name]
  end
end
class Player
  attr_accessor :pos, :name, :won
  def initialize(game, name)
    @pos, @name = 0, name
    @board = game.board
    @won = false
  end
  def turn
    rolled = roll_diece
    @pos = rolled - 1
    cell_name = @board.cell_name(@pos)
    @won = true if cell_name == "won!"
    puts "player #{@name} rolled a #{rolled} landed on #{cell_name}"
  end
  def roll_diece
    (rand 1..6)
  end
end
class Game
  attr_accessor :board, :players
  def initialize
    @turn = 0
    @round = 0
    @board = Board.new
    @players = [Player.new(self, "GRZESIU"), Player.new(self, "MICHAL"), Player.new(self, "BARTEK")]
  end
  def play!
    until game_over?
      @turn += 1
      if @turn >= @players.size
        @turn = 0
        @round += 1
        puts "round #{@round}"
      end
      @players[@turn].turn
    end
    puts "game over"
  end
  def game_over?
    @players.select { |plr| plr.won }.any?
  end
end

game = Game.new
game.play!