compiler: add very simple nameof token to get type name as string

vlib/compiler/tests/nameof_test.v

@@ -0,0 +1,16 @@
+
+fn simple<T>(p T) string {
+	tname := nameof(T)
+	println("Hello generic, I'm an [$tname]")
+	return tname
+}
+
+struct FunkyStruct{ }
+
+fn test_nameof_on_various_types_in_generic() {
+	assert simple(42) == "int"
+	assert simple(3.14) == "f32"
+	assert simple("FuBar") == "string"
+	assert simple(FunkyStruct{}) == "FunkyStruct"
+	assert simple(test_nameof_on_various_types_in_generic) == "fn ()"
+}