 characters >-> stdoutCharConsumer     putStrLn ""      -- should print "0a0b0c0d0e0f0g0h0i0jklmnopqrstuvwxyz"     runEffect $ characters >-> mixin digits >-> stdoutCharConsumer     putStrLn ""      -- should print "a0b0c0d0e0f0g0h0i0jklmnopqrstuvwxyz"     runEffect $ digits >-> mixin characters >-> stdoutCharConsumer     putStrLn ""      -- should print "a0b0c0d0e0f0g0h0i0jklmnopqrstuvwxyz"     runEffect $ characters >-> mixin