 
            
            
            
            
                23 May
                
                    2013
                
            
            
                23 May
                
                '13
                
            
            
            
        
    
                9:44 p.m.
            
        +1 Generalise Prelude.mapM etc +1 Remove Prelude.mapM etc -1 Add more monomorphic variants to Prelude (e.g. whenJust) -1 Nothing -- Live well, ~wren
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                 wren ng thornton wren ng thornton