mirror of
https://github.com/tailscale/tailscale.git
synced 2024-12-11 02:34:43 +00:00
fc28c8e7f3
This adds support for generic types and interfaces to our cloner and viewer codegens. It updates these packages to determine whether to make shallow or deep copies based on the type parameter constraints. Additionally, if a template parameter or an interface type has View() and Clone() methods, we'll use them for getters and the cloner of the owning structure. Updates #12736 Signed-off-by: Nick Khyl <nickk@tailscale.com>
419 lines
11 KiB
Go
419 lines
11 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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// Code generated by tailscale.com/cmd/cloner; DO NOT EDIT.
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package tests
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import (
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"maps"
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"net/netip"
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"golang.org/x/exp/constraints"
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"tailscale.com/types/ptr"
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"tailscale.com/types/views"
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)
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// Clone makes a deep copy of StructWithPtrs.
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// The result aliases no memory with the original.
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func (src *StructWithPtrs) Clone() *StructWithPtrs {
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if src == nil {
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return nil
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}
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dst := new(StructWithPtrs)
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*dst = *src
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if dst.Value != nil {
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dst.Value = ptr.To(*src.Value)
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}
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if dst.Int != nil {
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dst.Int = ptr.To(*src.Int)
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}
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return dst
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}
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// A compilation failure here means this code must be regenerated, with the command at the top of this file.
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var _StructWithPtrsCloneNeedsRegeneration = StructWithPtrs(struct {
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Value *StructWithoutPtrs
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Int *int
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NoCloneValue *StructWithoutPtrs
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}{})
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// Clone makes a deep copy of StructWithoutPtrs.
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// The result aliases no memory with the original.
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func (src *StructWithoutPtrs) Clone() *StructWithoutPtrs {
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if src == nil {
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return nil
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}
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dst := new(StructWithoutPtrs)
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*dst = *src
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return dst
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}
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// A compilation failure here means this code must be regenerated, with the command at the top of this file.
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var _StructWithoutPtrsCloneNeedsRegeneration = StructWithoutPtrs(struct {
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Int int
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Pfx netip.Prefix
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}{})
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// Clone makes a deep copy of Map.
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// The result aliases no memory with the original.
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func (src *Map) Clone() *Map {
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if src == nil {
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return nil
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}
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dst := new(Map)
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*dst = *src
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dst.Int = maps.Clone(src.Int)
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if dst.SliceInt != nil {
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dst.SliceInt = map[string][]int{}
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for k := range src.SliceInt {
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dst.SliceInt[k] = append([]int{}, src.SliceInt[k]...)
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}
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}
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if dst.StructPtrWithPtr != nil {
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dst.StructPtrWithPtr = map[string]*StructWithPtrs{}
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for k, v := range src.StructPtrWithPtr {
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if v == nil {
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dst.StructPtrWithPtr[k] = nil
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} else {
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dst.StructPtrWithPtr[k] = v.Clone()
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}
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}
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}
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if dst.StructPtrWithoutPtr != nil {
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dst.StructPtrWithoutPtr = map[string]*StructWithoutPtrs{}
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for k, v := range src.StructPtrWithoutPtr {
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if v == nil {
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dst.StructPtrWithoutPtr[k] = nil
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} else {
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dst.StructPtrWithoutPtr[k] = ptr.To(*v)
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}
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}
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}
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dst.StructWithoutPtr = maps.Clone(src.StructWithoutPtr)
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if dst.SlicesWithPtrs != nil {
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dst.SlicesWithPtrs = map[string][]*StructWithPtrs{}
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for k := range src.SlicesWithPtrs {
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dst.SlicesWithPtrs[k] = append([]*StructWithPtrs{}, src.SlicesWithPtrs[k]...)
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}
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}
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if dst.SlicesWithoutPtrs != nil {
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dst.SlicesWithoutPtrs = map[string][]*StructWithoutPtrs{}
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for k := range src.SlicesWithoutPtrs {
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dst.SlicesWithoutPtrs[k] = append([]*StructWithoutPtrs{}, src.SlicesWithoutPtrs[k]...)
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}
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}
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dst.StructWithoutPtrKey = maps.Clone(src.StructWithoutPtrKey)
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if dst.StructWithPtr != nil {
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dst.StructWithPtr = map[string]StructWithPtrs{}
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for k, v := range src.StructWithPtr {
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dst.StructWithPtr[k] = *(v.Clone())
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}
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}
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if dst.SliceIntPtr != nil {
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dst.SliceIntPtr = map[string][]*int{}
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for k := range src.SliceIntPtr {
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dst.SliceIntPtr[k] = append([]*int{}, src.SliceIntPtr[k]...)
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}
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}
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dst.PointerKey = maps.Clone(src.PointerKey)
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dst.StructWithPtrKey = maps.Clone(src.StructWithPtrKey)
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return dst
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}
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// A compilation failure here means this code must be regenerated, with the command at the top of this file.
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var _MapCloneNeedsRegeneration = Map(struct {
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Int map[string]int
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SliceInt map[string][]int
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StructPtrWithPtr map[string]*StructWithPtrs
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StructPtrWithoutPtr map[string]*StructWithoutPtrs
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StructWithoutPtr map[string]StructWithoutPtrs
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SlicesWithPtrs map[string][]*StructWithPtrs
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SlicesWithoutPtrs map[string][]*StructWithoutPtrs
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StructWithoutPtrKey map[StructWithoutPtrs]int
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StructWithPtr map[string]StructWithPtrs
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SliceIntPtr map[string][]*int
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PointerKey map[*string]int
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StructWithPtrKey map[StructWithPtrs]int
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}{})
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// Clone makes a deep copy of StructWithSlices.
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// The result aliases no memory with the original.
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func (src *StructWithSlices) Clone() *StructWithSlices {
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if src == nil {
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return nil
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}
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dst := new(StructWithSlices)
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*dst = *src
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dst.Values = append(src.Values[:0:0], src.Values...)
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if src.ValuePointers != nil {
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dst.ValuePointers = make([]*StructWithoutPtrs, len(src.ValuePointers))
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for i := range dst.ValuePointers {
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if src.ValuePointers[i] == nil {
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dst.ValuePointers[i] = nil
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} else {
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dst.ValuePointers[i] = ptr.To(*src.ValuePointers[i])
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}
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}
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}
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if src.StructPointers != nil {
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dst.StructPointers = make([]*StructWithPtrs, len(src.StructPointers))
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for i := range dst.StructPointers {
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if src.StructPointers[i] == nil {
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dst.StructPointers[i] = nil
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} else {
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dst.StructPointers[i] = src.StructPointers[i].Clone()
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}
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}
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}
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dst.Slice = append(src.Slice[:0:0], src.Slice...)
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dst.Prefixes = append(src.Prefixes[:0:0], src.Prefixes...)
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dst.Data = append(src.Data[:0:0], src.Data...)
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if src.Structs != nil {
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dst.Structs = make([]StructWithPtrs, len(src.Structs))
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for i := range dst.Structs {
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dst.Structs[i] = *src.Structs[i].Clone()
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}
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}
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if src.Ints != nil {
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dst.Ints = make([]*int, len(src.Ints))
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for i := range dst.Ints {
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if src.Ints[i] == nil {
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dst.Ints[i] = nil
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} else {
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dst.Ints[i] = ptr.To(*src.Ints[i])
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}
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}
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}
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return dst
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}
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// A compilation failure here means this code must be regenerated, with the command at the top of this file.
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var _StructWithSlicesCloneNeedsRegeneration = StructWithSlices(struct {
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Values []StructWithoutPtrs
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ValuePointers []*StructWithoutPtrs
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StructPointers []*StructWithPtrs
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Slice []string
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Prefixes []netip.Prefix
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Data []byte
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Structs []StructWithPtrs
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Ints []*int
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}{})
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// Clone makes a deep copy of OnlyGetClone.
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// The result aliases no memory with the original.
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func (src *OnlyGetClone) Clone() *OnlyGetClone {
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if src == nil {
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return nil
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}
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dst := new(OnlyGetClone)
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*dst = *src
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return dst
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}
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// A compilation failure here means this code must be regenerated, with the command at the top of this file.
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var _OnlyGetCloneCloneNeedsRegeneration = OnlyGetClone(struct {
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SinViewerPorFavor bool
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}{})
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// Clone makes a deep copy of StructWithEmbedded.
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// The result aliases no memory with the original.
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func (src *StructWithEmbedded) Clone() *StructWithEmbedded {
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if src == nil {
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return nil
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}
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dst := new(StructWithEmbedded)
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*dst = *src
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dst.A = src.A.Clone()
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dst.StructWithSlices = *src.StructWithSlices.Clone()
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return dst
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}
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// A compilation failure here means this code must be regenerated, with the command at the top of this file.
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var _StructWithEmbeddedCloneNeedsRegeneration = StructWithEmbedded(struct {
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A *StructWithPtrs
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StructWithSlices
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}{})
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// Clone makes a deep copy of GenericIntStruct.
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// The result aliases no memory with the original.
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func (src *GenericIntStruct[T]) Clone() *GenericIntStruct[T] {
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if src == nil {
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return nil
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}
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dst := new(GenericIntStruct[T])
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*dst = *src
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if dst.Pointer != nil {
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dst.Pointer = ptr.To(*src.Pointer)
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}
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dst.Slice = append(src.Slice[:0:0], src.Slice...)
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dst.Map = maps.Clone(src.Map)
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if src.PtrSlice != nil {
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dst.PtrSlice = make([]*T, len(src.PtrSlice))
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for i := range dst.PtrSlice {
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if src.PtrSlice[i] == nil {
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dst.PtrSlice[i] = nil
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} else {
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dst.PtrSlice[i] = ptr.To(*src.PtrSlice[i])
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}
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}
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}
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dst.PtrKeyMap = maps.Clone(src.PtrKeyMap)
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if dst.PtrValueMap != nil {
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dst.PtrValueMap = map[string]*T{}
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for k, v := range src.PtrValueMap {
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if v == nil {
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dst.PtrValueMap[k] = nil
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} else {
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dst.PtrValueMap[k] = ptr.To(*v)
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}
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}
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}
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if dst.SliceMap != nil {
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dst.SliceMap = map[string][]T{}
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for k := range src.SliceMap {
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dst.SliceMap[k] = append([]T{}, src.SliceMap[k]...)
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}
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}
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return dst
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}
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// A compilation failure here means this code must be regenerated, with the command at the top of this file.
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func _GenericIntStructCloneNeedsRegeneration[T constraints.Integer](GenericIntStruct[T]) {
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_GenericIntStructCloneNeedsRegeneration(struct {
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Value T
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Pointer *T
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Slice []T
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Map map[string]T
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PtrSlice []*T
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PtrKeyMap map[*T]string `json:"-"`
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PtrValueMap map[string]*T
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SliceMap map[string][]T
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}{})
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}
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// Clone makes a deep copy of GenericNoPtrsStruct.
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// The result aliases no memory with the original.
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func (src *GenericNoPtrsStruct[T]) Clone() *GenericNoPtrsStruct[T] {
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if src == nil {
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return nil
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}
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dst := new(GenericNoPtrsStruct[T])
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*dst = *src
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if dst.Pointer != nil {
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dst.Pointer = ptr.To(*src.Pointer)
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}
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dst.Slice = append(src.Slice[:0:0], src.Slice...)
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dst.Map = maps.Clone(src.Map)
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if src.PtrSlice != nil {
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dst.PtrSlice = make([]*T, len(src.PtrSlice))
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for i := range dst.PtrSlice {
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if src.PtrSlice[i] == nil {
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dst.PtrSlice[i] = nil
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} else {
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dst.PtrSlice[i] = ptr.To(*src.PtrSlice[i])
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}
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}
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}
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dst.PtrKeyMap = maps.Clone(src.PtrKeyMap)
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if dst.PtrValueMap != nil {
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dst.PtrValueMap = map[string]*T{}
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for k, v := range src.PtrValueMap {
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if v == nil {
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dst.PtrValueMap[k] = nil
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} else {
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dst.PtrValueMap[k] = ptr.To(*v)
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}
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}
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}
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if dst.SliceMap != nil {
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dst.SliceMap = map[string][]T{}
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for k := range src.SliceMap {
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dst.SliceMap[k] = append([]T{}, src.SliceMap[k]...)
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}
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}
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return dst
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}
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// A compilation failure here means this code must be regenerated, with the command at the top of this file.
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func _GenericNoPtrsStructCloneNeedsRegeneration[T StructWithoutPtrs | netip.Prefix | BasicType](GenericNoPtrsStruct[T]) {
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_GenericNoPtrsStructCloneNeedsRegeneration(struct {
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Value T
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Pointer *T
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Slice []T
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Map map[string]T
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PtrSlice []*T
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PtrKeyMap map[*T]string `json:"-"`
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PtrValueMap map[string]*T
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SliceMap map[string][]T
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}{})
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}
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// Clone makes a deep copy of GenericCloneableStruct.
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// The result aliases no memory with the original.
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func (src *GenericCloneableStruct[T, V]) Clone() *GenericCloneableStruct[T, V] {
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if src == nil {
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return nil
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}
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dst := new(GenericCloneableStruct[T, V])
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*dst = *src
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dst.Value = src.Value.Clone()
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if src.Slice != nil {
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dst.Slice = make([]T, len(src.Slice))
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for i := range dst.Slice {
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dst.Slice[i] = src.Slice[i].Clone()
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}
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}
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if dst.Map != nil {
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dst.Map = map[string]T{}
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for k, v := range src.Map {
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dst.Map[k] = v.Clone()
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}
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}
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if dst.Pointer != nil {
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dst.Pointer = ptr.To((*src.Pointer).Clone())
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}
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if src.PtrSlice != nil {
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dst.PtrSlice = make([]*T, len(src.PtrSlice))
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for i := range dst.PtrSlice {
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if src.PtrSlice[i] == nil {
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dst.PtrSlice[i] = nil
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} else {
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dst.PtrSlice[i] = ptr.To((*src.PtrSlice[i]).Clone())
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}
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}
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}
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dst.PtrKeyMap = maps.Clone(src.PtrKeyMap)
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if dst.PtrValueMap != nil {
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dst.PtrValueMap = map[string]*T{}
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for k, v := range src.PtrValueMap {
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if v == nil {
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dst.PtrValueMap[k] = nil
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} else {
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dst.PtrValueMap[k] = ptr.To((*v).Clone())
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}
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}
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}
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if dst.SliceMap != nil {
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dst.SliceMap = map[string][]T{}
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for k := range src.SliceMap {
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dst.SliceMap[k] = append([]T{}, src.SliceMap[k]...)
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}
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}
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return dst
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}
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// A compilation failure here means this code must be regenerated, with the command at the top of this file.
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func _GenericCloneableStructCloneNeedsRegeneration[T views.ViewCloner[T, V], V views.StructView[T]](GenericCloneableStruct[T, V]) {
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_GenericCloneableStructCloneNeedsRegeneration(struct {
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Value T
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Slice []T
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Map map[string]T
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Pointer *T
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PtrSlice []*T
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PtrKeyMap map[*T]string `json:"-"`
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PtrValueMap map[string]*T
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SliceMap map[string][]T
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}{})
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}
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