tree a34b20a8d7a7129b3ec5940b83a0b28f67768611
parent fc6303c79968bc474d6b8137b540972b7ab705f1
author Marcel van Lohuizen <mpvl@golang.org> 1549558855 +0100
committer Marcel van Lohuizen <mpvl@golang.org> 1549561664 +0100

cue: allow comparison against null

this is partly in preparation for unary comparators, where
this is essential.

Change-Id: I73454a3b9ea446d61097404042f3260d6ec4593a