tree d2aa20c2413670913dc319dfe667eadbad9a9756
parent 1a2105ebef3420a3d9b3e3c384c6e91c1170160c
author Marcel van Lohuizen <mpvl@golang.org> 1602935075 +0200
committer Marcel van Lohuizen <mpvl@golang.org> 1603874916 +0000

cue: support getting and looking up paths

Goals of this API:
- minimize possibility for error when converting strings
   to either identifiers or quoted string
- extendablity to allow CUE's planned query extensions:
  - allow `[]`
  - allow foo? for looking up templates and element types
  - filters
  - value yielding
  - etc.

For the reviewer: should put Path be an opaque type or
[]Selection.

Change-Id: I4fa150b4c353b5dfac20c773a727a1964fc81c31
Reviewed-on: https://cue-review.googlesource.com/c/cue/+/7441
Reviewed-by: CUE cueckoo <cueckoo@gmail.com>
Reviewed-by: Marcel van Lohuizen <mpvl@golang.org>