lpeterse/binary-generic — pull request #2 by edsko (2012-08-06 14:46:21+00:00)
Title: Use scoped type vars to avoid ambiguity error

The old implementation used a pattern described in the original SYB
paper, but this no longer works with more recent ghc versions (where
generalize the type of where-bound expressions).

This fixes https://github.com/lpeterse/binary-generic/issues/1