syndtr/goleveldb — pull request #44 by BenjaminThompson (2014-01-26 13:16:24+00:00)
Title: Added perens to d.file.Num.

I was getting a compilation error when trying to build this:
```./session_util.go:28: method d.file.Num is not an expression, must be called```
Adding the perens to d.file.Num() corrected it for me. Issue #43