grvm

require "http/server"

server = HTTP::Server.new(8080) do |context|
  context.response.content_type = "text/plain"
  context.response.print "Hello world at #{Time.now}"
end

puts "Listening on http://0.0.0.0:8080"
server.listen

grvm

# The customary Hello World program in Crystal
puts "Hello World!"

grvm

x = [[1], [2, 3, [4, 5, 6, [7, 8, 9, 10], 11], 12, 13], 14, 15, 16]

class Array
  def flattener
    matches = self.to_s.scan(/\d+/)
    matches.collect(&:to_i)
  end
end

puts "Specs"