invert
Invert an object by swapping keys and values. Values become keys and keys become values.
object(required): object to invert
bash
echo '{"US": "United States", "GB": "United Kingdom"}' | utlx -e 'invert($input)'
# {"United States": "US", "United Kingdom": "GB"}utlx
{
countryByName: invert($input.codeToName)
}