for _, x := range list {
		Visit(x, visit)
	}
}

// VisitFuncAndClosures calls visit on each non-nil node in fn.Body,
// including any nested closure bodies.
func VisitFuncAndClosures(fn *Func, visit func(n Node)) {
	VisitList(fn.Body, func(n Node) {
		visit(n)
		if n, ok := n.(*ClosureExpr); ok && n.Op() == OCLOSURE {
			VisitFuncAndClosures(n.Func, visit)
		}
	})
}