SYNOPSIS
This example illustrates the use of the m method of Parse::Eyapp::Node objects.
Compile Rule6.yp first:
eyapp Rule6
Run it like this:
$ ./m2.pl
Tree:TIMES(TIMES(NUM(TERMINAL),NUM(TERMINAL)),NUM(TERMINAL))
Match Node:
Match[[TIMES:0:wxz]](Match[[TIMES:1:fold,zxw,wxz]])
See perldoc Parse::Eyapp::treematchingtut for the details