mozilla/rust — pull request #6383 by huonw (2013-05-10 05:09:58+00:00)
Title: Perform expansion before stripping/building a test harness.

This allows macros to create tests and benchmarks.

This is possibly unsound (I've got no idea, but it seemed to work), and being able to programmatically generate benchmarks to compare several implementations of similar algorithms is nice.