go.tools/oracle: an oracle that answers questions about Go source code.
go.tools/oracle: an oracle that answers questions about Go source code.

+ Tests.
+ Emacs integration.
+ Emacs integration test.
+ very rudimentary Vim integration.  Needs some love from a Vim user.

TODO (in follow-ups):
- More tests would be good.
  We'll need to make the output order deterministic in more places.
- Documentation.

R=gri, crawshaw, dominik.honnef
CC=golang-dev
https://golang.org/cl/9502043

dominikh/go-mode.el,emacsmirror/go-mode