Can we have operators within if statemens as a feature

[AnudeepKonaboina]

Is it possible to add a feature that actually does checks in if statements. Example:

test (data)::=<<
$if(data.num=3)$true$else$false$endif$
>>

[parrt]

hi. :) Nope. sorry. See https://dl.acm.org/doi/10.1145/988672.988703