// isMethodExpr reports whether a call is to a MethodExpr.
func isMethodExpr(info *types.Info, c *ast.CallExpr) bool {
	s, ok := c.Fun.(*ast.SelectorExpr)
	if !ok {
		return false
	}
	sel := info.Selections[s]
	return sel != nil && sel.Kind() == types.MethodExpr

		}
		switch expr := expr.(type) {
		case *ast.Ident:
			if obj, ok := info.Uses[expr]; ok {
				return obj, nil
			}
		case *ast.SelectorExpr:
			if sel, ok := info.Selections[expr]; ok {
				return sel.Obj(), nil
			}
			if obj, ok := info.Uses[expr.Sel]; ok {
				return obj, nil // qualified identifier
			}
		}
		return nil, fmt.Errorf("no object for %s", str)
	}

	for _, group := range f.Comments {

			call, _ := n.(*ast.CallExpr)
			if call == nil {
				return true
			}
			selx, _ := call.Fun.(*ast.SelectorExpr)
			if selx == nil {
				return true
			}
			if !(isName(selx.X, "check") && isName(selx.Sel, "errorf")) {
				return true
			}
			// check.errorf calls should have at least errorfMinArgCount arguments:
			// position, code, format string, and arguments to format
			if n := len(call.Args); n < errorfMinArgCount {

	}
	f, ok := c.Fun.(*ast.SelectorExpr)
	if !ok {
		return v
	}
	p, ok := f.X.(*ast.Ident)
	if !ok {
		return v
	}
	if p.Name != "atomic" {
		return v
	}
	if !strings.HasSuffix(f.Sel.Name, "64") {
		return v
	}

	a := c.Args[0]

	// This is a call to atomic.XXX64(a, ...). Make sure a is aligned to 8 bytes.
	// XXX = one of Load, Store, Cas, etc.

		}

		// Only want identifiers or selector expressions.
		var obj types.Object
		switch v := e2.(type) {
		case *ast.Ident:
			obj = pass.TypesInfo.Uses[v]
		case *ast.SelectorExpr:
			obj = pass.TypesInfo.Uses[v.Sel]
		case *ast.IndexExpr, *ast.IndexListExpr:
			// Check generic functions such as "f[T1,T2]".
			x, _, _, _ := typeparams.UnpackIndexExpr(v)
			if id, ok := x.(*ast.Ident); ok {
				obj = pass.TypesInfo.Uses[id]
			}

			call, _ := n.(*syntax.CallExpr)
			if call == nil {
				return true
			}
			selx, _ := call.Fun.(*syntax.SelectorExpr)
			if selx == nil {
				return true
			}
			if !(isName(selx.X, "check") && isName(selx.Sel, "errorf")) {
				return true
			}
			// check.errorf calls should have at least errorfMinArgCount arguments:
			// position, code, format string, and arguments to format
			if n := len(call.ArgList); n < errorfMinArgCount {

	SetTypeClusterIP(svc)
	SetClusterIPs(api.ClusterIPNone)(svc)
}

// SetSelector sets the service selector.
func SetSelector(sel map[string]string) Tweak {
	return func(svc *api.Service) {
		svc.Spec.Selector = map[string]string{}
		for k, v := range sel {
			svc.Spec.Selector[k] = v
		}
	}
}

// SetClusterIP sets the service ClusterIP fields.
func SetClusterIP(ip string) Tweak {

		return a.serviceEntriesInfo(s, waypoint)
	}
}

func (a *index) serviceEntriesInfo(s *networkingclient.ServiceEntry, w *Waypoint) []model.ServiceInfo {
	sel := model.NewSelector(s.Spec.GetWorkloadSelector().GetLabels())
	portNames := map[int32]model.ServicePortName{}
	for _, p := range s.Spec.Ports {
		portNames[int32(p.Number)] = model.ServicePortName{
			PortName: p.Name,
		}

	}

	// func Type { Body }
	FuncLit struct {
		Type *FuncType
		Body *BlockStmt
		expr
	}

	// (X)
	ParenExpr struct {
		X Expr
		expr
	}

	// X.Sel
	SelectorExpr struct {
		X   Expr
		Sel *Name
		expr
	}

	// X[Index]
	// X[T1, T2, ...] (with Ti = Index.(*ListExpr).ElemList[i])
	IndexExpr struct {
		X     Expr
		Index Expr
		expr
	}

	case *ast.Ident:
		return &ast.Ident{Name: typ.Name, NamePos: pos}
	case *ast.SelectorExpr:
		if id, ok := typ.X.(*ast.Ident); ok {
			// presumably a qualified identifier
			return &ast.SelectorExpr{
				Sel: ast.NewIdent(typ.Sel.Name),
				X:   &ast.Ident{Name: id.Name, NamePos: pos},
			}
		}
	}
	return nil // shouldn't happen, but be conservative and don't panic
}