tree b33685d6579e2b1ebd11d373b069a29a2b4fea67
parent 5163831c1eef3a6d48aabb9419ccc51e993be253
author Marcel van Lohuizen <mpvl@golang.org> 1588783073 +0200
committer Marcel van Lohuizen <mpvl@google.com> 1589364795 +0000

doc/ref/spec.md: allow `...` in an ast.File

This is consistent with allowing ... in non-schema.

Other benefits:
- code generation can generate []Decl regardless of
whether it is used for a File or StructLit.
- once we have topological sort, `...` could be used
to hint insertion points when allowed at an arbitrary
position in the Decls list (although [string]: foo could
be used for that too).
- when adopting JSON Schema semantics, ...T may
has meaning at the file level as well.

Change-Id: Icfb299f951f5531119d33aeb5d89237eb64e33a1
Reviewed-on: https://cue-review.googlesource.com/c/cue/+/5940
Reviewed-by: roger peppe <rogpeppe@gmail.com>