tailscale/cmd/viewer/tests/tests_view.go
Maisem Ali 491483d599 cmd/viewer,type/views: add MapSlice for maps of slices
This abstraction provides a nicer way to work with
maps of slices without having to write out three long type
params.

This also allows it to provide an AsMap implementation which
copies the map and the slices at least.

Updates tailscale/corp#20910

Signed-off-by: Maisem Ali <maisem@tailscale.com>
2024-06-15 22:24:29 -07:00

379 lines
12 KiB
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
// Code generated by tailscale/cmd/viewer; DO NOT EDIT.
package tests
import (
"encoding/json"
"errors"
"net/netip"
"tailscale.com/types/views"
)
//go:generate go run tailscale.com/cmd/cloner -clonefunc=false -type=StructWithPtrs,StructWithoutPtrs,Map,StructWithSlices,OnlyGetClone,StructWithEmbedded
// View returns a readonly view of StructWithPtrs.
func (p *StructWithPtrs) View() StructWithPtrsView {
return StructWithPtrsView{ж: p}
}
// StructWithPtrsView provides a read-only view over StructWithPtrs.
//
// Its methods should only be called if `Valid()` returns true.
type StructWithPtrsView 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 *StructWithPtrs
}
// Valid reports whether underlying value is non-nil.
func (v StructWithPtrsView) Valid() bool { return v.ж != nil }
// AsStruct returns a clone of the underlying value which aliases no memory with
// the original.
func (v StructWithPtrsView) AsStruct() *StructWithPtrs {
if v.ж == nil {
return nil
}
return v.ж.Clone()
}
func (v StructWithPtrsView) MarshalJSON() ([]byte, error) { return json.Marshal(v.ж) }
func (v *StructWithPtrsView) UnmarshalJSON(b []byte) error {
if v.ж != nil {
return errors.New("already initialized")
}
if len(b) == 0 {
return nil
}
var x StructWithPtrs
if err := json.Unmarshal(b, &x); err != nil {
return err
}
v.ж = &x
return nil
}
func (v StructWithPtrsView) Value() *StructWithoutPtrs {
if v.ж.Value == nil {
return nil
}
x := *v.ж.Value
return &x
}
func (v StructWithPtrsView) Int() *int {
if v.ж.Int == nil {
return nil
}
x := *v.ж.Int
return &x
}
func (v StructWithPtrsView) NoCloneValue() *StructWithoutPtrs { return v.ж.NoCloneValue }
func (v StructWithPtrsView) String() string { return v.ж.String() }
func (v StructWithPtrsView) Equal(v2 StructWithPtrsView) bool { return v.ж.Equal(v2.ж) }
// A compilation failure here means this code must be regenerated, with the command at the top of this file.
var _StructWithPtrsViewNeedsRegeneration = StructWithPtrs(struct {
Value *StructWithoutPtrs
Int *int
NoCloneValue *StructWithoutPtrs
}{})
// View returns a readonly view of StructWithoutPtrs.
func (p *StructWithoutPtrs) View() StructWithoutPtrsView {
return StructWithoutPtrsView{ж: p}
}
// StructWithoutPtrsView provides a read-only view over StructWithoutPtrs.
//
// Its methods should only be called if `Valid()` returns true.
type StructWithoutPtrsView 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 *StructWithoutPtrs
}
// Valid reports whether underlying value is non-nil.
func (v StructWithoutPtrsView) Valid() bool { return v.ж != nil }
// AsStruct returns a clone of the underlying value which aliases no memory with
// the original.
func (v StructWithoutPtrsView) AsStruct() *StructWithoutPtrs {
if v.ж == nil {
return nil
}
return v.ж.Clone()
}
func (v StructWithoutPtrsView) MarshalJSON() ([]byte, error) { return json.Marshal(v.ж) }
func (v *StructWithoutPtrsView) UnmarshalJSON(b []byte) error {
if v.ж != nil {
return errors.New("already initialized")
}
if len(b) == 0 {
return nil
}
var x StructWithoutPtrs
if err := json.Unmarshal(b, &x); err != nil {
return err
}
v.ж = &x
return nil
}
func (v StructWithoutPtrsView) Int() int { return v.ж.Int }
func (v StructWithoutPtrsView) Pfx() netip.Prefix { return v.ж.Pfx }
// A compilation failure here means this code must be regenerated, with the command at the top of this file.
var _StructWithoutPtrsViewNeedsRegeneration = StructWithoutPtrs(struct {
Int int
Pfx netip.Prefix
}{})
// View returns a readonly view of Map.
func (p *Map) View() MapView {
return MapView{ж: p}
}
// MapView provides a read-only view over Map.
//
// Its methods should only be called if `Valid()` returns true.
type MapView 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 *Map
}
// Valid reports whether underlying value is non-nil.
func (v MapView) Valid() bool { return v.ж != nil }
// AsStruct returns a clone of the underlying value which aliases no memory with
// the original.
func (v MapView) AsStruct() *Map {
if v.ж == nil {
return nil
}
return v.ж.Clone()
}
func (v MapView) MarshalJSON() ([]byte, error) { return json.Marshal(v.ж) }
func (v *MapView) UnmarshalJSON(b []byte) error {
if v.ж != nil {
return errors.New("already initialized")
}
if len(b) == 0 {
return nil
}
var x Map
if err := json.Unmarshal(b, &x); err != nil {
return err
}
v.ж = &x
return nil
}
func (v MapView) Int() views.Map[string, int] { return views.MapOf(v.ж.Int) }
func (v MapView) SliceInt() views.MapSlice[string, int] { return views.MapSliceOf(v.ж.SliceInt) }
func (v MapView) StructPtrWithPtr() views.MapFn[string, *StructWithPtrs, StructWithPtrsView] {
return views.MapFnOf(v.ж.StructPtrWithPtr, func(t *StructWithPtrs) StructWithPtrsView {
return t.View()
})
}
func (v MapView) StructPtrWithoutPtr() views.MapFn[string, *StructWithoutPtrs, StructWithoutPtrsView] {
return views.MapFnOf(v.ж.StructPtrWithoutPtr, func(t *StructWithoutPtrs) StructWithoutPtrsView {
return t.View()
})
}
func (v MapView) StructWithoutPtr() views.Map[string, StructWithoutPtrs] {
return views.MapOf(v.ж.StructWithoutPtr)
}
func (v MapView) SlicesWithPtrs() views.MapFn[string, []*StructWithPtrs, views.SliceView[*StructWithPtrs, StructWithPtrsView]] {
return views.MapFnOf(v.ж.SlicesWithPtrs, func(t []*StructWithPtrs) views.SliceView[*StructWithPtrs, StructWithPtrsView] {
return views.SliceOfViews[*StructWithPtrs, StructWithPtrsView](t)
})
}
func (v MapView) SlicesWithoutPtrs() views.MapFn[string, []*StructWithoutPtrs, views.SliceView[*StructWithoutPtrs, StructWithoutPtrsView]] {
return views.MapFnOf(v.ж.SlicesWithoutPtrs, func(t []*StructWithoutPtrs) views.SliceView[*StructWithoutPtrs, StructWithoutPtrsView] {
return views.SliceOfViews[*StructWithoutPtrs, StructWithoutPtrsView](t)
})
}
func (v MapView) StructWithoutPtrKey() views.Map[StructWithoutPtrs, int] {
return views.MapOf(v.ж.StructWithoutPtrKey)
}
func (v MapView) SliceIntPtr() map[string][]*int { panic("unsupported") }
func (v MapView) PointerKey() map[*string]int { panic("unsupported") }
func (v MapView) StructWithPtrKey() map[StructWithPtrs]int { panic("unsupported") }
func (v MapView) StructWithPtr() views.MapFn[string, StructWithPtrs, StructWithPtrsView] {
return views.MapFnOf(v.ж.StructWithPtr, func(t StructWithPtrs) StructWithPtrsView {
return t.View()
})
}
// A compilation failure here means this code must be regenerated, with the command at the top of this file.
var _MapViewNeedsRegeneration = Map(struct {
Int map[string]int
SliceInt map[string][]int
StructPtrWithPtr map[string]*StructWithPtrs
StructPtrWithoutPtr map[string]*StructWithoutPtrs
StructWithoutPtr map[string]StructWithoutPtrs
SlicesWithPtrs map[string][]*StructWithPtrs
SlicesWithoutPtrs map[string][]*StructWithoutPtrs
StructWithoutPtrKey map[StructWithoutPtrs]int
SliceIntPtr map[string][]*int
PointerKey map[*string]int
StructWithPtrKey map[StructWithPtrs]int
StructWithPtr map[string]StructWithPtrs
}{})
// View returns a readonly view of StructWithSlices.
func (p *StructWithSlices) View() StructWithSlicesView {
return StructWithSlicesView{ж: p}
}
// StructWithSlicesView provides a read-only view over StructWithSlices.
//
// Its methods should only be called if `Valid()` returns true.
type StructWithSlicesView 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 *StructWithSlices
}
// Valid reports whether underlying value is non-nil.
func (v StructWithSlicesView) Valid() bool { return v.ж != nil }
// AsStruct returns a clone of the underlying value which aliases no memory with
// the original.
func (v StructWithSlicesView) AsStruct() *StructWithSlices {
if v.ж == nil {
return nil
}
return v.ж.Clone()
}
func (v StructWithSlicesView) MarshalJSON() ([]byte, error) { return json.Marshal(v.ж) }
func (v *StructWithSlicesView) UnmarshalJSON(b []byte) error {
if v.ж != nil {
return errors.New("already initialized")
}
if len(b) == 0 {
return nil
}
var x StructWithSlices
if err := json.Unmarshal(b, &x); err != nil {
return err
}
v.ж = &x
return nil
}
func (v StructWithSlicesView) Values() views.Slice[StructWithoutPtrs] {
return views.SliceOf(v.ж.Values)
}
func (v StructWithSlicesView) ValuePointers() views.SliceView[*StructWithoutPtrs, StructWithoutPtrsView] {
return views.SliceOfViews[*StructWithoutPtrs, StructWithoutPtrsView](v.ж.ValuePointers)
}
func (v StructWithSlicesView) StructPointers() views.SliceView[*StructWithPtrs, StructWithPtrsView] {
return views.SliceOfViews[*StructWithPtrs, StructWithPtrsView](v.ж.StructPointers)
}
func (v StructWithSlicesView) Structs() StructWithPtrs { panic("unsupported") }
func (v StructWithSlicesView) Ints() *int { panic("unsupported") }
func (v StructWithSlicesView) Slice() views.Slice[string] { return views.SliceOf(v.ж.Slice) }
func (v StructWithSlicesView) Prefixes() views.Slice[netip.Prefix] {
return views.SliceOf(v.ж.Prefixes)
}
func (v StructWithSlicesView) Data() views.ByteSlice[[]byte] { return views.ByteSliceOf(v.ж.Data) }
// A compilation failure here means this code must be regenerated, with the command at the top of this file.
var _StructWithSlicesViewNeedsRegeneration = StructWithSlices(struct {
Values []StructWithoutPtrs
ValuePointers []*StructWithoutPtrs
StructPointers []*StructWithPtrs
Structs []StructWithPtrs
Ints []*int
Slice []string
Prefixes []netip.Prefix
Data []byte
}{})
// View returns a readonly view of StructWithEmbedded.
func (p *StructWithEmbedded) View() StructWithEmbeddedView {
return StructWithEmbeddedView{ж: p}
}
// StructWithEmbeddedView provides a read-only view over StructWithEmbedded.
//
// Its methods should only be called if `Valid()` returns true.
type StructWithEmbeddedView 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 *StructWithEmbedded
}
// Valid reports whether underlying value is non-nil.
func (v StructWithEmbeddedView) Valid() bool { return v.ж != nil }
// AsStruct returns a clone of the underlying value which aliases no memory with
// the original.
func (v StructWithEmbeddedView) AsStruct() *StructWithEmbedded {
if v.ж == nil {
return nil
}
return v.ж.Clone()
}
func (v StructWithEmbeddedView) MarshalJSON() ([]byte, error) { return json.Marshal(v.ж) }
func (v *StructWithEmbeddedView) UnmarshalJSON(b []byte) error {
if v.ж != nil {
return errors.New("already initialized")
}
if len(b) == 0 {
return nil
}
var x StructWithEmbedded
if err := json.Unmarshal(b, &x); err != nil {
return err
}
v.ж = &x
return nil
}
func (v StructWithEmbeddedView) A() StructWithPtrsView { return v.ж.A.View() }
func (v StructWithEmbeddedView) StructWithSlices() StructWithSlicesView {
return v.ж.StructWithSlices.View()
}
// A compilation failure here means this code must be regenerated, with the command at the top of this file.
var _StructWithEmbeddedViewNeedsRegeneration = StructWithEmbedded(struct {
A *StructWithPtrs
StructWithSlices
}{})