Testing emjoi usage in Crystal.

🐙..cr

# this works!

🐙 = 8
puts 🐙
#> 8


# this doesn't work
class 🍕
  def eat
    puts "👍"
  end
end

pizza = 🍕.new
pizza.eat
#> Syntax error in eval:4: expecting token 'CONST', not '🍕'


# This does work, though!
class Binary🌳
  def insert
    # do stuff
  end
end

🌳 = Binary🌳.new
🌳.insert

# tested with Crystal 0.24.1