This library is ported from egison-scheme.
egison-common-lisp is not provided by quicklisp currently. You need to configure ASDF manually to use egison-common-lisp. You can use local-project mechanism if you use Quicklisp.
(asdf:load-system :egison) ;; Load system
(asdf:test-system :egison) ;; Run unit tests
(use-package :egison)
...
TODO: Add document for egison-stype pattern matching (Sorry!)
For now, please read egison-scheme's README for general background and usage. Also read /test
directory to see how egison-style pattern match looks like with egison-common-lisp.