Ruby metaprogramming examples

gistfile1.rb

module RubyLang
end

class Computer
  def self.my_attr_reader(name)
		if name.is_a? Symbol
			puts "is symbol"
		else
			puts "is string"
		end

		define_method(name) {
			self.instance_variable_set(name, nil)
			self.instance_variable_get(name)	
		}
	end
	my_attr_reader :blah
	my_attr_reader :port
end

# module Dakar
# 	class RtspClient
# 		client_methods = %w(describe setup options play teardown pause get_parameter set_parameter)
# 		methods = []
# 		client_methods.each { |method| methods << method.to_sym }
# 		methods.each do |method_name|
# 			define_method method_name.to_sym do |uri|
# 				puts "Called #{method_name} with #{uri}"
# 			end
# 		end

# 		def set_parameter(uri)
# 			puts "Calling SET_PARAMETER"
# 		end

# 		def initialize(host)
# 		def component(name)
# 			info = @data_source.send("get_#{name}_info", @id)
# 			price = @data_source.send("get_#{name}_price", @id)
# 		end
# 	end
# end

# class A
# private
# 	def method1
# 		puts "inherited"
# 	end
# end

# class B < A
# 	def method2
# 		puts "in method 2"
# 		method1
# 	end
# end