Bangalore Ruby User Group Jan 2026 Continuation "talk" content

cc.rb

require 'continuation'

# basic stuff
# puts 1 + callcc { |k| k.call(1) + 1 }

# neat stuff
# behaves differently in IRB 👀
$cc = nil
i = 0
foo = 1 + callcc do |k|
  $cc = k
  2 + k.call(3)
end
i += 1
puts "i = #{i}"
puts "foo = #{foo}"
$cc.call(5) if i < 10
# puts RubyVM::InstructionSequence.disasm(foo)
puts "ended"