Improved closure context persistence. Now it is possibile to define counters like this func(base){func(){@base=base+1}}

t_funcs_test.go

@@ -44,7 +44,7 @@ func dummy(ctx ExprContext, name string, args []any) (result any, err error) {
 
 func TestFunctionToStringSimple(t *testing.T) {
 	source := NewGolangFunctor(dummy)
-	want := "func() {}"
+	want := "func(){}"
 	got := source.ToString(0)
 	if got != want {
 		t.Errorf(`(func() -> result = %v [%T], want = %v [%T]`, got, got, want, want)