Yes, readability. It's only half the story if you can be more productive when writing programs. Readability is probably more important because SW needs maintena

Yes, readability. It's only half the story if you can be more productive when writing programs. Readability is probably more important because SW needs maintenance. And readability is not only about how fast YOU can read and understand Haskel. It's more about how fast other programmers can. Imagine all scientific papers were written in Latin. I think you make a valid point. Many comparisons of Programming Languages productivity only try to measure how fast you can code a new application in them, but not how fast you can modify an existing application to do something else - ASSUMING you are not the author of the original version.