class DynamicGreeter
[:hello, :goodbye].each do |method|
define_method(method) do |name|
"#{method.capitalize}, #{name}!"
end
end
def method_missing(name, *args)
"Method #{name} not defined"
end
end
dg = DynamicGreeter.new
puts dg.hello("Name")
puts dg.foobar("X")