Add support for the Go programming language.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12108 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/go/using_extend_runme.go

@@ -0,0 +1,30 @@
+package main
+
+import . "./using_extend"
+
+func main() {
+	f := NewFooBar()
+	if f.Blah(3).(int) != 3 {
+		panic("blah(int)")
+	}
+
+	if f.Blah(float64(3.5)).(float64) != 3.5 {
+		panic("blah(double)")
+	}
+
+	if f.Blah("hello").(string) != "hello" {
+		panic("blah(char *)")
+	}
+
+	if f.Blah(3, 4).(int) != 7 {
+		panic("blah(int,int)")
+	}
+
+	if f.Blah(float64(3.5), float64(7.5)).(float64) != (3.5 + 7.5) {
+		panic("blah(double,double)")
+	}
+
+	if f.Duh(3) != 3 {
+		panic("duh(int)")
+	}
+}