emacs-lisp-mode

(up "(use-package " p n> ":ensure t" n> ":defer t" n ")")

rust-mode

(str "struct " p " {" n> p n> "}")
(imp "impl " p " {" n> p n> "}")
(impf "impl " p " for " p " {" n> p n> "}")
(trt "trait " p " {" n> p n> "}")