8cc86f25c0
The `unless` set operator can be used to return all vector elements from
the LHS which do not match the elements on the RHS. A use case is to
return all metrics for nodes which do not have a specific role:
node_load1 unless on(instance) chef_role{role="app"}
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| .. | ||
| aggregators.test | ||
| functions.test | ||
| histograms.test | ||
| legacy.test | ||
| literals.test | ||
| operators.test | ||
| selectors.test | ||