new example

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@806 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/perl5/pointer/example.pl

@@ -0,0 +1,42 @@
+# file: example.pl
+
+use example;
+
+# First create some objects using the pointer library.
+print "Testing the pointer library\n";
+$a = example::ptrcreate("int",37);
+$b = example::ptrcreate("int",42);
+$c = example::ptrcreate("int");  
+
+print "     a = $a\n";
+print "     b = $b\n";
+print "     c = $c\n";
+
+# Call the add() function with some pointers
+example::add($a,$b,$c);
+
+# Now get the result
+$r = example::ptrvalue($c);
+print "     37 + 42 = $r\n";
+
+# Clean up the pointers
+example::ptrfree($a);
+example::ptrfree($b);
+example::ptrfree($c);
+
+# Now try the typemap library
+# This should be much easier. Now how it is no longer
+# necessary to manufacture pointers.
+
+print "Trying the typemap library\n";
+$r = example::sub(37,42);
+print "     37 - 42 = $r\n";
+
+# Now try the version with multiple return values
+
+print "Testing multiple return values\n";
+($q,$r) = example::divide(42,37);
+print "     42/37 = $q remainder $r\n";
+
+
+