From 070dfa0c3d9e33e03f25703c2a939932efd7dd80 Mon Sep 17 00:00:00 2001
From: Josh Bleecher Snyder <josh@tailscale.com>
Date: Wed, 30 Sep 2020 17:47:07 -0700
Subject: [PATCH] tailcfg: add more IsZero methods

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
---
 tailcfg/tailcfg.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tailcfg/tailcfg.go b/tailcfg/tailcfg.go
index 87d186d92..e90e63c4c 100644
--- a/tailcfg/tailcfg.go
+++ b/tailcfg/tailcfg.go
@@ -41,8 +41,16 @@ func (u NodeID) IsZero() bool {
 
 type GroupID ID
 
+func (u GroupID) IsZero() bool {
+	return u == 0
+}
+
 type RoleID ID
 
+func (u RoleID) IsZero() bool {
+	return u == 0
+}
+
 type CapabilityID ID
 
 // MachineKey is the curve25519 public key for a machine.