functions example

test/examples/functions.l2

@@ -0,0 +1,26 @@
+func := {
+	"hello"
+}
+print func()
+
+str := "Hello World"
+func := {
+	{
+		str
+	}
+}
+print func()()
+
+func := {
+	{
+		str = $.0
+	}
+}
+func() 10
+print str
+
+func := {
+	retval := "what's up"
+	{retval}
+}
+print func()()

test/examples/functions.l2.expected

@@ -0,0 +1,4 @@
+hello
+Hello World
+10
+what's up

test/src/examples.t.c

@@ -127,6 +127,7 @@ describe(exaples) {
 	test("examples") {
 		check("namespaces.l2");
 		check("arrays.l2");
+		check("functions.l2");
 	}
 
 	if (error_message != NULL) {