WIP snapshotjosh/immutable-views

Next up: view support for maps, etc.

2 files changed, 31 insertions, 0 deletions

diff --git a/types/dnstype/dnstype.go b/types/dnstype/dnstype.go
index e1f9e9fdb..9bef2c039 100644
--- a/types/dnstype/dnstype.go
+++ b/types/dnstype/dnstype.go
@@ -6,6 +6,7 @@
 package dnstype
 
 //go:generate go run tailscale.com/cmd/cloner --type=Resolver --clonefunc=true --output=dnstype_clone.go
+//go:generate go run tailscale.com/cmd/viewer --type=Resolver --output=dnstype_view.go
 
 import "inet.af/netaddr"
 
diff --git a/types/dnstype/dnstype_view.go b/types/dnstype/dnstype_view.go
new file mode 100644
index 000000000..fe63bb2a5
--- /dev/null
+++ b/types/dnstype/dnstype_view.go
@@ -0,0 +1,30 @@
+// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Code generated by the following command; DO NOT EDIT.
+//   tailscale.com/cmd/viewer -type Resolver
+
+package dnstype
+
+import (
+	"inet.af/netaddr"
+)
+
+// View makes a readonly view of Resolver.
+func (src *Resolver) View() ResolverView {
+	return ResolverView{src}
+}
+
+// ResolverView is a readonly view of Resolver.
+type ResolverView struct{ ж *Resolver }
+
+func (v ResolverView) Valid() bool                       { return v.ж != nil }
+func (v ResolverView) Addr() string                      { return v.ж.Addr }
+func (v ResolverView) BootstrapResolution() []netaddr.IP { return v.ж.BootstrapResolution }
+
+// A compilation failure here means this code must be regenerated, with the command at the top of this file.
+var _ResolverViewNeedsRegeneration = Resolver(struct {
+	Addr                string
+	BootstrapResolution []netaddr.IP
+}{})