moar examples

Author: nhorton

examples/agents.rb

@@ -2,8 +2,8 @@
 # But that seems to be a documented bug in Guidance itself: https://github.com/microsoft/guidance/issues/262
 
 # Ruby version of https://github.com/microsoft/guidance/blob/main/notebooks/chat.ipynb
-require "./lib/guidance"
-# import re
+require "./lib/guidance" unless defined?(Guidance)
+
 Guidance.llm = Guidance.llms.OpenAI("gpt-4")
 
 role_simulator = Guidance::Program.new(%Q(

examples/proverbs.rb

@@ -1,6 +1,6 @@
 # This shows how to run the proverbs guidance program in the README on https://github.com/microsoft/guidance
-# require File.expand_path("../../lib/guidance.rb", __FILE__)
-require "./lib/guidance"
+require "./lib/guidance" unless defined?(Guidance)
+
 # set the default language model used to execute guidance programs
 Guidance.llm = Guidance.llms.OpenAI("text-davinci-003")