Bending the CLOS MOP for Java-Style Single Dispatch
How I customized the CLOS Meta-Object Protocol in OpenLDK to replace PCL’s multi-dispatch machinery with a fast hash-table cache, taking Clojure bootstrap from 2h45m to 2 minutes 40 seconds.
Java
cl-kawa: A Turducken of Programming Languages
cl-kawa nests Scheme inside Java inside Common Lisp: three language runtimes in a single SBCL process, no FFI or external JVM required.