Give your users or power systems the ability to define conditional behavior, data transformations, and automation rules—without ever modifying your application's source code.
A simple example of A/B testing business logic shows off Melbi's clean, expression-focused syntax.
Melbi's readable syntax lowers the barrier for users to define powerful custom logic.
Focus on logic, not configuration. Melbi infers types wherever possible.
// A/B test rollout decision
user.country == "US" and user.age >= 18 and
Hash.ConsistentHash(user.id, 100) < rollout
where {
rollout = rollouts[feature_name] otherwise 0
}