gistfile1.rb

def inner(&block)
  puts "BEFORE YIELD"
  x = yield
  puts "AFTER YIELD"
  x
ensure
  puts "ENSURE YIELD"
end

def call_inner_with_return
  inner { return "foo" }
end

def call_inner_without_return
  inner { "foo" }
end

puts call_inner_without_return
puts call_inner_with_return