*sidebar_right help edit space_dashboard MeTTa Playground ↺ ▶ Run ; MeTTa Example: Simple pattern matching (= (greet $name) (Hello $name welcome to Hyperon!)) ; Query the greeting !(greet World) ; Define a type (: Human Type) (: Alice Human) (: Bob Human) ; Pattern match on type !(match &self (: $x Human) $x) Output: ✨ Wiki Assistant ✨ Ask me about Hyperon ➤