typ.len = -1
		}
		typ.elem = check.varType(e.Elem)
		if typ.len >= 0 {
			return typ
		}
		// report error if we encountered [...]

	case *syntax.SliceType:
		typ := new(Slice)
		setDefType(def, typ)
		typ.elem = check.varType(e.Elem)
		return typ

	case *syntax.DotsType:
		// dots are handled explicitly where they are legal

		prevEnd = b.Pos().EndLine
		s.prefix1 = "" // item prefix only for first block
	}
}

var (
	blockType   = reflect.TypeOf(new(Block)).Elem()
	blocksType  = reflect.TypeOf(new([]Block)).Elem()
	inlinesType = reflect.TypeOf(new([]Inline)).Elem()
)

func printb(buf *bytes.Buffer, b Block, prefix string) {
	fmt.Fprintf(buf, "(%T", b)
	v := reflect.ValueOf(b)
	v = reflect.Indirect(v)

		}
		keep(p.GoFiles)
		keep(p.CgoFiles)
		keep(p.TestGoFiles)
		keep(p.XTestGoFiles)
	}

	_, elem := filepath.Split(p.Dir)
	var allRemove []string

	// Remove dir-named executable only if this is package main.
	if p.Name == "main" {
		allRemove = append(allRemove,
			elem,
			elem+".exe",
			p.DefaultExecName(),
			p.DefaultExecName()+".exe",
		)
	}

	// Remove package test executables.

func checkElem(elem string, kind pathKind) error {
	if elem == "" {
		return fmt.Errorf("empty path element")
	}
	if strings.Count(elem, ".") == len(elem) {
		return fmt.Errorf("invalid path element %q", elem)
	}
	if elem[0] == '.' && kind == modulePath {
		return fmt.Errorf("leading dot in path element")
	}
	if elem[len(elem)-1] == '.' {

			return fmt.Errorf("failed to unmarshal JSONB value: %#v", dbValue)
		}

		if len(bytes) > 0 {
			err = json.Unmarshal(bytes, fieldValue.Interface())
		}
	}

	field.ReflectValueOf(ctx, dst).Set(fieldValue.Elem())
	return
}

// Value implements serializer interface
func (JSONSerializer) Value(ctx context.Context, field *Field, dst reflect.Value, fieldValue interface{}) (interface{}, error) {

		t.Fatal(err)
	}

	firstFieldType := func(n *Named) *Named {
		return n.Underlying().(*Struct).Field(0).Type().(*Pointer).Elem().(*Named)
	}

	Inst := Unalias(pkg.Scope().Lookup("Inst").Type()).(*Pointer).Elem().(*Named)
	Node := firstFieldType(Inst)
	Tree := firstFieldType(Node)
	if !Identical(Inst, Tree) {
		t.Fatalf("Not a cycle: got %v, want %v", Tree, Inst)
	}

		return nil
	case *types.Pointer:
		return find(obj, T.Elem(), append(path, opElem), seen)
	case *types.Slice:
		return find(obj, T.Elem(), append(path, opElem), seen)
	case *types.Array:
		return find(obj, T.Elem(), append(path, opElem), seen)
	case *types.Chan:
		return find(obj, T.Elem(), append(path, opElem), seen)
	case *types.Map:

type I interface{ M() }

type T float64

func (t T) F(s S) {}

func main() {
	var t T
	meth, _ := reflect.TypeOf(t).MethodByName("F")
	ft := meth.Type
	at := ft.In(1)
	v := reflect.New(at).Elem()
	v.Interface().(I).M()

	if Identical(x, y) {
		return x
	}

	// We may have channels that differ in direction only.
	if x, _ := x.(*Chan); x != nil {
		if y, _ := y.(*Chan); y != nil && Identical(x.elem, y.elem) {
			// We have channels that differ in direction only.
			// If there's an unrestricted channel, select the restricted one.
			switch {
			case x.dir == SendRecv:
				return y
			case y.dir == SendRecv:

			for destValue.Kind() == reflect.Ptr {
				destValue = destValue.Elem()
			}

			if stmt.ReflectValue != destValue {
				if !destValue.CanAddr() {
					destValueCanAddr := reflect.New(destValue.Type())
					destValueCanAddr.Elem().Set(destValue)
					stmt.Dest = destValueCanAddr.Interface()
					destValue = destValueCanAddr.Elem()
				}

				switch destValue.Kind() {
				case reflect.Struct: