Ruby examples added.

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

SWIG/Examples/ruby/reference/runme.rb

@@ -0,0 +1,60 @@
+# file: runme.rb
+
+# This file illustrates the manipulation of C++ references in Ruby.
+
+require 'example'
+
+# ----- Object creation -----
+
+print "Creating some objects:\n"
+a = Example::Vector.new(3,4,5)
+b = Example::Vector.new(10,11,12)
+
+print "    Created ", a.print, "\n"
+print "    Created ", b.print, "\n"
+
+# ----- Call an overloaded operator -----
+
+# This calls the wrapper we placed around
+#
+#      operator+(const Vector &a, const Vector &) 
+#
+# It returns a new allocated object.
+
+print "Adding a+b\n"
+c = Example::addv(a, b)
+print "    a+b = ", c.print, "\n"
+
+# ----- Create a vector array -----
+
+print "Creating an array of vectors\n"
+va = Example::VectorArray.new(10)
+print "    va = #{va}\n"
+
+# ----- Set some values in the array -----
+
+# These operators copy the value of a and b to the vector array
+va.set(0, a)
+va.set(1, b)
+
+va.set(2, Example::addv(a,b))
+
+c = Example::addv(a,b)
+va.set(3, c)
+
+=begin commented out due to GC issue
+
+# Get some values from the array
+
+print "Getting some array values\n"
+for i in 0...5
+  print "    va(#{i}) = ", va.get(i).print, "\n"
+end
+
+# Watch under resource meter to check on this
+print "Making sure we don't leak memory.\n"
+for i in 0...1000000
+  c = va.get(i % 10)
+end
+
+=end