tree bb3b68122df2247fd82a22c0d47320bf8b79ae44
parent 5481b414d2b2ffb5183362567315d8a35937eb2d
author Marcel van Lohuizen <mpvl@golang.org> 1619785022 +0200
committer Marcel van Lohuizen <mpvl@golang.org> 1619814948 +0000

internal/core/adt: use Closed for checking recursive closedness

Prepare for a structure sharing implementation.

Change-Id: I8ede77c9b5301377b47031e70e98d343ef5e3eb6
Reviewed-on: https://cue-review.googlesource.com/c/cue/+/9575
Reviewed-by: CUE cueckoo <cueckoo@gmail.com>
Reviewed-by: Paul Jolly <paul@myitcv.org.uk>