From: Lock Stephen <Stephen.Lock@...>
Date: 2006-08-22T17:52:38+09:00
Subject: [SOLUTION][QUIZ] QA Prototype (#91)

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My attempt - surprisingly short. Really annoying to test because every
time you have a typo on a method name it offers to dynamically create
the method for you!

I imagine it's nothing too far removed from how everybody else is doing
it.


module QAPrototype
	@@methods =3D Hash.new
	def method_missing( name, *args )
		puts "Undefined method " + self.class.to_s + "." +
name.to_s
		puts "How do you want me to handle this method? (end
with a newline)"
		$stdout.flush
		method =3D Array.new
		begin
			line =3D gets
			method << line
		end until line.eql?("\n")
		@@methods[name]=3Dmethod
		self.class.instance_eval do
			define_method(name) { eval(method.join) }
		end
		puts "OK"
	end
=09
	def print_defined_methods
		@@methods.each_pair { |key, value|
			puts key.to_s + ":"
			puts value
		}
	end
End

I found an interesting thing when trying this in the runtime in SciTE -
for some reason when 'gets' reads in a line, if you made a mistake
whilst typing and backspaced to delete some text and re-write it, then
the string that 'gets' returns includes the deleted text. Anyone know
why this might be?

Stephen

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