.nil. If the receiver
class did not define methodname, an
error is raised./* Create and retrieve the method definition of a class */
myclass=.object~subclass("My class") /* Create a class */
mymethod=.method~new(" ","Say arg(1)") /* Create a method object */
myclass~define("ECHO",mymethod) /* Define it in the class */
method_source = myclass~method("ECHO")~source /* Extract it */
say method_source /* Says "an Array" */
say method_source[1] /* Shows the method source code */