; sample.metta — a small MeTTa source for the Rust consumer bench.
; Exercises the three token classes LanguageMeTTa adds beyond SGDL's
; predefined four: Lisp-permissive symbols, $variables, &space-refs.
(= (greet $who) (say "hello" $who))
(= (add $a $b) (+ $a $b))
(greet &self)
(add 1 2)
(: greet (-> Symbol Expression))