libghc-microlens-prof - 0.4.9.1-1+b2 main

This is an extract from the lens package with no dependencies. It's not a toy
lenses library, unsuitable for “real world”, but merely a small one. It is
compatible with lens, and should have same performance. It also has better
documentation.
.
This package provides a library for the Haskell programming language, compiled
for profiling. See http://www.haskell.org/ for more information on Haskell.