367229e100eca714276253bf95a0dd3d084a9624 retired ValueHandle but mistakenly removed the implementation for `negate` which was not tested and would result in linking errors. This revision adds the implementation back and provides a test.
367229e100eca714276253bf95a0dd3d084a9624 retired ValueHandle but mistakenly removed the implementation for `negate` which was not tested and would result in linking errors. This revision adds the implementation back and provides a test.