From ce6aca13f00f30074e65873b2df7464338d5c385 Mon Sep 17 00:00:00 2001
From: Josh Bleecher Snyder <josh@tailscale.com>
Date: Wed, 30 Sep 2020 17:55:12 -0700
Subject: [PATCH] tailcfg: add yet another IsZero method

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
---
 tailcfg/tailcfg.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tailcfg/tailcfg.go b/tailcfg/tailcfg.go
index e90e63c4c..9c01c8dc8 100644
--- a/tailcfg/tailcfg.go
+++ b/tailcfg/tailcfg.go
@@ -33,6 +33,10 @@ func (u UserID) IsZero() bool {
 
 type LoginID ID
 
+func (u LoginID) IsZero() bool {
+	return u == 0
+}
+
 type NodeID ID
 
 func (u NodeID) IsZero() bool {