tanakh/aeson-lens — pull request #2 by ekmett (2012-11-09 14:35:59+00:00)
Title: type-changing versions of the lenses

I added type-changing versions of the lenses, which are useful for many lens combinators.

However, they break inference for ^. and .~, so I named them differently to avoid the need to mix in lots of calls to simple for the common usecase.