config for the generator syntax test

Author: xieguigang

R#/Language/TokenIcer/Scanner.vb

@@ -274,7 +274,7 @@ Namespace Language.TokenIcer
             "suppress",
             "typeof", "modeof", "valueof",
             "using",
-            "new", "try", "switch", "of"
+            "new", "try", "switch", "of", "yield"
         }
 
         Private Function isLINQKeyword(word As String) As Boolean

test/unitTest/function_test/test_generator.R

@@ -0,0 +1,10 @@
+let pops = function() {
+    for(i in 1:10) {
+        print(`get offset: ${i}`);
+        yield(i);
+    }
+}
+
+for(let xi in pops()) {
+    print(xi ^ 2);
+}