tailscale/cmd/cloner/clonerex/clonerex_clone.go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause

// Code generated by tailscale.com/cmd/cloner; DO NOT EDIT.

package clonerex

import (
	"maps"

	"tailscale.com/types/ptr"
)

// Clone makes a deep copy of SliceContainer.
// The result aliases no memory with the original.
func (src *SliceContainer) Clone() *SliceContainer {
	if src == nil {
		return nil
	}
	dst := new(SliceContainer)
	*dst = *src
	if src.Slice != nil {
		dst.Slice = make([]*int, len(src.Slice))
		for i := range dst.Slice {
			if src.Slice[i] == nil {
				dst.Slice[i] = nil
			} else {
				dst.Slice[i] = ptr.To(*src.Slice[i])
			}
		}
	}
	return dst
}

// A compilation failure here means this code must be regenerated, with the command at the top of this file.
var _SliceContainerCloneNeedsRegeneration = SliceContainer(struct {
	Slice []*int
}{})

// Clone makes a deep copy of InterfaceContainer.
// The result aliases no memory with the original.
func (src *InterfaceContainer) Clone() *InterfaceContainer {
	if src == nil {
		return nil
	}
	dst := new(InterfaceContainer)
	*dst = *src
	if src.Interface != nil {
		dst.Interface = src.Interface.Clone()
	}
	return dst
}

// A compilation failure here means this code must be regenerated, with the command at the top of this file.
var _InterfaceContainerCloneNeedsRegeneration = InterfaceContainer(struct {
	Interface Cloneable
}{})

// Clone makes a deep copy of MapWithPointers.
// The result aliases no memory with the original.
func (src *MapWithPointers) Clone() *MapWithPointers {
	if src == nil {
		return nil
	}
	dst := new(MapWithPointers)
	*dst = *src
	if dst.Nested != nil {
		dst.Nested = map[string]*int{}
		for k, v := range src.Nested {
			if v == nil {
				dst.Nested[k] = nil
			} else {
				dst.Nested[k] = ptr.To(*v)
			}
		}
	}
	if dst.WithCloneMethod != nil {
		dst.WithCloneMethod = map[string]*SliceContainer{}
		for k, v := range src.WithCloneMethod {
			if v == nil {
				dst.WithCloneMethod[k] = nil
			} else {
				dst.WithCloneMethod[k] = v.Clone()
			}
		}
	}
	if dst.CloneInterface != nil {
		dst.CloneInterface = map[string]Cloneable{}
		for k, v := range src.CloneInterface {
			dst.CloneInterface[k] = v.Clone()
		}
	}
	return dst
}

// A compilation failure here means this code must be regenerated, with the command at the top of this file.
var _MapWithPointersCloneNeedsRegeneration = MapWithPointers(struct {
	Nested          map[string]*int
	WithCloneMethod map[string]*SliceContainer
	CloneInterface  map[string]Cloneable
}{})

// Clone makes a deep copy of DeeplyNestedMap.
// The result aliases no memory with the original.
func (src *DeeplyNestedMap) Clone() *DeeplyNestedMap {
	if src == nil {
		return nil
	}
	dst := new(DeeplyNestedMap)
	*dst = *src
	if dst.ThreeLevels != nil {
		dst.ThreeLevels = map[string]map[string]map[string]int{}
		for k, v := range src.ThreeLevels {
			if v == nil {
				dst.ThreeLevels[k] = nil
				continue
			}
			dst.ThreeLevels[k] = map[string]map[string]int{}
			for k2, v2 := range v {
				dst.ThreeLevels[k][k2] = maps.Clone(v2)
			}
		}
	}
	if dst.FourLevels != nil {
		dst.FourLevels = map[string]map[string]map[string]map[string]*SliceContainer{}
		for k, v := range src.FourLevels {
			if v == nil {
				dst.FourLevels[k] = nil
				continue
			}
			dst.FourLevels[k] = map[string]map[string]map[string]*SliceContainer{}
			for k2, v2 := range v {
				if v2 == nil {
					dst.FourLevels[k][k2] = nil
					continue
				}
				dst.FourLevels[k][k2] = map[string]map[string]*SliceContainer{}
				for k3, v3 := range v2 {
					if v3 == nil {
						dst.FourLevels[k][k2][k3] = nil
						continue
					}
					dst.FourLevels[k][k2][k3] = map[string]*SliceContainer{}
					for k4, v4 := range v3 {
						if v4 == nil {
							dst.FourLevels[k][k2][k3][k4] = nil
						} else {
							dst.FourLevels[k][k2][k3][k4] = v4.Clone()
						}
					}
				}
			}
		}
	}
	return dst
}

// A compilation failure here means this code must be regenerated, with the command at the top of this file.
var _DeeplyNestedMapCloneNeedsRegeneration = DeeplyNestedMap(struct {
	ThreeLevels map[string]map[string]map[string]int
	FourLevels  map[string]map[string]map[string]map[string]*SliceContainer
}{})

// Clone duplicates src into dst and reports whether it succeeded.
// To succeed, <src, dst> must be of types <*T, *T> or <*T, **T>,
// where T is one of SliceContainer,InterfaceContainer,MapWithPointers,DeeplyNestedMap.
func Clone(dst, src any) bool {
	switch src := src.(type) {
	case *SliceContainer:
		switch dst := dst.(type) {
		case *SliceContainer:
			*dst = *src.Clone()
			return true
		case **SliceContainer:
			*dst = src.Clone()
			return true
		}
	case *InterfaceContainer:
		switch dst := dst.(type) {
		case *InterfaceContainer:
			*dst = *src.Clone()
			return true
		case **InterfaceContainer:
			*dst = src.Clone()
			return true
		}
	case *MapWithPointers:
		switch dst := dst.(type) {
		case *MapWithPointers:
			*dst = *src.Clone()
			return true
		case **MapWithPointers:
			*dst = src.Clone()
			return true
		}
	case *DeeplyNestedMap:
		switch dst := dst.(type) {
		case *DeeplyNestedMap:
			*dst = *src.Clone()
			return true
		case **DeeplyNestedMap:
			*dst = src.Clone()
			return true
		}
	}
	return false
}