;;; Lisp calling C++ calling Lisp (in-package :eql-user) (defvar *lib* (qload-c++ (in-src "Qt_EQL/eql_fun_cpp"))) (defun say-number (n) (format nil "~R" n)) ;; see examples in "cpp_calling_lisp/lib.cpp" (! "runExamples" (:qt *lib*)) ; note :qt (qq)