 
            
            
            
            
                12 May
                
                    2015
                
            
            
                12 May
                
                '15
                
            
            
            
        
    
                4:32 a.m.
            
        Seems you lack the proper instance of NFData for Foo
instance NFData Foo where
    rnf f = foo f `deepseq` ()
With this change, keeping either line produces outer exception.
On Tue, May 12, 2015 at 10:43 AM Alex 
On Tue, 12 May 2015 06:25:44 +0000 Alexey Shmalko
wrote: Seems, that you're putting it in the wrong place. Please, publish your code to lpaste [1].
Hmm.... Maybe you need evaluate `encode req`?
I've created a test case demonstrating the behavior which is confusing me:
-- Alex