Ruby examples added.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@853 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/Examples/ruby/pointer/runme.rb

@@ -0,0 +1,42 @@
+# file: runme.rb
+
+require '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"
+
+
+