fun.rb

# I was thinking about it, and thought if you were going to do "mixins" in Haml
# then they ought to work in a predictable way. In ERB you can simply define a
# method and place more ERB inside of it. This does not work in Haml, but maybe
# it should.

require 'sinatra'
require 'haml'

get '/erb' do
  erb :test_erb
end

get '/haml' do
  haml :test_haml
end

__END__

@@ test_erb
<% def hello(name) %>
  <p>Hello, <%= name %>.</p>
<% end %>

<% hello 'Carsten' %>

@@ test_haml
-# This will fail.

- def hello(name)
  %p Hello, #{name}.

- hello 'Carsten'

interesting.