julien-truffaut/Monocle — pull request #27 by NightRa (2014-03-08 20:08:10+00:00)
Title: Generalized tuple SimpleLens to Lens.

Generalized tuple SimpleLens to Lens.

I'm unsure about the parameter order,
What there is now:
first[A,New,B]
second[A,B,New]

Another option:
first[A,B,New]
second[A,B,New]