internal/core/adt: handle yields in Resolve
In some cases, Resolve will invoke a "yield".
As this is not within usual evaluation, this
must be explicitly handled. We simply
convert it to an error.
Fixes #3972
Signed-off-by: Marcel van Lohuizen <mpvl@gmail.com>
Change-Id: I460038a84ea7b8f4ce0e96ca91eccbe44e05a631
Reviewed-on: https://review.gerrithub.io/c/cue-lang/cue/+/1217127
TryBot-Result: CUEcueckoo <cueckoo@cuelang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Unity-Result: CUE porcuepine <cue.porcuepine@gmail.com>