Differences with ensure and return

ensure_insanity.rb

# Returns the expected method return
def return_out_of_ensure
  return 'actual return'
ensure
  'not returned'
end

# Returns from ensure despite a method return
def return_within_ensure
  return 'not returned'
ensure
  return 'actual return'
end

# This just raises an error
def raise_and_no_return_witin_ensure
  raise 'will actually raise an error'
ensure
  'not returned'
end

# This returns a value and raises an error
def raise_and_return_witin_ensure
  raise 'will actually raise an error'
ensure
  return 'actual return'
end



puts return_out_of_ensure
puts return_within_ensure

begin
  puts raise_and_no_return_witin_ensure
rescue Exception => e
  puts e.inspect
end

# Same method in two execution scenarios
# Although this raises an error, it cannot be rescued into a variable
begin
  puts raise_and_return_witin_ensure
rescue Exception => e
  puts e.inspect
end
puts raise_and_return_witin_ensure