Felix S. Klock II 7d4e7f0795 AST refactor: make the place in ExprBox an option.
This is to allow us to migrate away from UnUniq in a followup commit,
and thus unify the code paths related to all forms of `box`.
2014-12-16 14:30:30 +01:00
..
2014-12-08 13:47:44 -05:00