4 Mar
                
                    2011
                
            
            
                4 Mar
                
                '11
                
            
            
            
        
    
                11:04 a.m.
            
        There's also Martin Erwig's Parametric Fortran - which looks largely similar but hides some of the parametric types with existentials. Check the papers on his website, epscially the PADL one: http://web.engr.oregonstate.edu/~erwig/papers/abstracts.html