fun_with_1.9.rb

# encoding: utf-8
require "io/console"
def ⌛() STDIN.getch end
alias λ lambda
alias ✎ puts
def ❄() λ { |e| ✎ e } end

Fiber.new { |b = -> w { ✎ w }|
  loop do
    b[Fiber.yield]
  end
}.tap { |worker|
  Fiber.new { |π = [:Here, :the, ?o+?n], ∆|
    worker.resume if ∂ = π.zip(∆.()).each
    loop do
      ⌛ and worker.resume ∂.next
    end
  }
  .resume -> { %w(begins WTF Ruby1.9 ❄) }
} and ✎

singleton_class.class_eval { alias is ✎ }

⌛
is a: Hash, with: -> cool { keys }

⌛
✎ "｢ｿﾆﾆﾉzｱﾉﾌﾆｾ"
.encode('SJIS')
.codepoints
.map(&->c{c-90})
.pack('U*')

def m m
  secret = "\nthis can not be known, right ?"
  send(m)
end

⌛
✎ m(:binding).eval("secret")

class Hash
  def m &b
    b.call(self, &❄)
  end
end

⌛
7.times.reverse_each.map.with_index.with_object({}) { |(e,i),h| h[e] = i }.m(&λ { |a,&b| b.call(a) })