Hello World example in ruby2cpp annotated ruby. Ready to be converted to c++.

example.rb

# @ruby2cpp: std

class Hello
  # @ruby2cpp: annotate(String -> void)
  def initialize(greeting)
    # @ruby2cpp: annotate(String)
    @greeting = greeting
  end

  # @ruby2cpp: annotate(String -> void)
  def greet(name)
    puts("debug: Hello#greet :: got in")
    puts("%s, %s!" % [@greeting, name])
  end

  # @ruby2cpp: annotate(-> void)
  def anonymous_greet
    puts("%s!" % @greeting)
  end
end

# @ruby2cpp: annotate(String, String -> void)
def greet(greeting, name)
  # @ruby2cpp: annotate(Hello)
  hello = Hello.new(greeting)
  hello.greet(name)
  # @ruby2cpp: annotate(bool)
  done = true
end

# @ruby2cpp: annotate(-> int)
def main
  # @ruby2cpp: annotate(String)
  greeting = "Hello"
  # @ruby2cpp: annotate(String)
  name = "World"
  greet(greeting, name)
  # @ruby2cpp: annotate(int)
  exit_code = 0
end

# @ruby2cpp: entry_point
main