Lenses?

2009-09-26 Thread Timothy S. Nelson
I've been wondering about lenses recently. The page at http://www.seas.upenn.edu/~harmony/ seems to give an overview, and I know that augeas also uses lenses. It seems to me that a grammar can be thought of as a one-way lens. I was wondering whether the bi-directional idea might be

Re: Lenses?

2009-09-26 Thread Daniel Ruoso
Em Sáb, 2009-09-26 às 16:14 +1000, Timothy S. Nelson escreveu: I've been wondering about lenses recently. The page at http://www.seas.upenn.edu/~harmony/ seems to give an overview, and I know that augeas also uses lenses. It seems to me that a grammar can be thought of as a