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types/dnstype: use viewer instead of cloner

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This was missed when I did the initial viewer work.

Signed-off-by: Maisem Ali <maisem@tailscale.com>
This commit is contained in:
Maisem Ali 2022-08-02 09:57:10 -07:00 committed by Maisem Ali
parent 57275a4912
commit a029989aff
2 changed files with 9 additions and 5 deletions
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2
types/dnstype/dnstype.go
View File

@ -5,7 +5,7 @@
// Package dnstype defines types for working with DNS.
package dnstype
//go:generate go run tailscale.com/cmd/cloner --type=Resolver --clonefunc=true
//go:generate go run tailscale.com/cmd/viewer --type=Resolver --clonefunc=true
import (
"net/netip"

12
types/dnstype/dnstype_view.go
View File

@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Code generated by tailscale.com/util/codegen (viewer); DO NOT EDIT.
// Code generated by tailscale/cmd/viewer; DO NOT EDIT.
package dnstype
@ -15,14 +15,18 @@
)
//go:generate go run tailscale.com/cmd/cloner -clonefunc=true -type=Resolver
// View returns a readonly view of Resolver.
func (p *Resolver) View() ResolverView {
return ResolverView{ж: p}
}
// ResolverView provides a read-only view on Resolver.
// It's methods should only be called if `Valid()` returns true.
// ResolverView provides a read-only view over Resolver.
//
// Its methods should only be called if `Valid()` returns true.
type ResolverView struct {
// ж is the underlying mutable value, named with a hard-to-type
// character that looks pointy like a pointer.
// It is named distinctively to make you think of how dangerous it is to escape
// to callers. You must not let callers be able to mutate it.
ж *Resolver
@ -34,7 +38,7 @@ func (v ResolverView) Valid() bool { return v.ж != nil }
// AsStruct returns a clone of the underlying value which aliases no memory with
// the original.
func (v ResolverView) AsStruct() *Resolver {
if v.ж != nil {
if v.ж == nil {
return nil
}
return v.ж.Clone()