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How to use Swap method of lang Package

Best Gauge code snippet using lang.Swap

Unsafe.go

Source:Unsafe.go

...9	native.Register(miscUnsafe, "arrayBaseOffset", "(Ljava/lang/Class;)I", arrayBaseOffset)10	native.Register(miscUnsafe, "arrayIndexScale", "(Ljava/lang/Class;)I", arrayIndexScale)11	native.Register(miscUnsafe, "addressSize", "()I", addressSize)12	native.Register(miscUnsafe, "objectFieldOffset", "(Ljava/lang/reflect/Field;)J", objectFieldOffset)13	native.Register(miscUnsafe, "compareAndSwapObject", "(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z", compareAndSwapObject)14	native.Register(miscUnsafe, "getIntVolatile", "(Ljava/lang/Object;J)I", getInt)15	native.Register(miscUnsafe, "compareAndSwapInt", "(Ljava/lang/Object;JII)Z", compareAndSwapInt)16	native.Register(miscUnsafe, "getObjectVolatile", "(Ljava/lang/Object;J)Ljava/lang/Object;", getObject)17	native.Register(miscUnsafe, "compareAndSwapLong", "(Ljava/lang/Object;JJJ)Z", compareAndSwapLong)18}19// public native int arrayBaseOffset(Class<?> type);20// (Ljava/lang/Class;)I21func arrayBaseOffset(frame *rtda.Frame) {22	stack := frame.OperandStack()23	stack.PushInt(0) // todo24}25// public native int arrayIndexScale(Class<?> type);26// (Ljava/lang/Class;)I27func arrayIndexScale(frame *rtda.Frame) {28	stack := frame.OperandStack()29	stack.PushInt(1) // todo30}31// public native int addressSize();32// ()I33func addressSize(frame *rtda.Frame) {34	// vars := frame.LocalVars()35	// vars.GetRef(0) // this36	stack := frame.OperandStack()37	stack.PushInt(8) // todo unsafe.Sizeof(int)38}39// public native long objectFieldOffset(Field field);40// (Ljava/lang/reflect/Field;)J41func objectFieldOffset(frame *rtda.Frame) {42	vars := frame.LocalVars()43	jField := vars.GetRef(1)44	offset := jField.GetIntVar("slot", "I")45	stack := frame.OperandStack()46	stack.PushLong(int64(offset))47}48// public final native boolean compareAndSwapObject(Object o, long offset, Object expected, Object x)49// (Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z50func compareAndSwapObject(frame *rtda.Frame) {51	vars := frame.LocalVars()52	obj := vars.GetRef(1)53	fields := obj.Data()54	offset := vars.GetLong(2)55	expected := vars.GetRef(4)56	newVal := vars.GetRef(5)57	// todo58	if anys, ok := fields.(heap.Slots); ok {59		// object60		swapped := _casObj(obj, anys, offset, expected, newVal)61		frame.OperandStack().PushBoolean(swapped)62	} else if objs, ok := fields.([]*heap.Object); ok {63		// ref[]64		swapped := _casArr(objs, offset, expected, newVal)65		frame.OperandStack().PushBoolean(swapped)66	} else {67		// todo68		panic("todo: compareAndSwapObject!")69	}70}71func _casObj(obj *heap.Object, fields heap.Slots, offset int64, expected, newVal *heap.Object) bool {72	current := fields.GetRef(uint(offset))73	if current == expected {74		fields.SetRef(uint(offset), newVal)75		return true76	} else {77		return false78	}79}80func _casArr(objs []*heap.Object, offset int64, expected, newVal *heap.Object) bool {81	current := objs[offset]82	if current == expected {83		objs[offset] = newVal84		return true85	} else {86		return false87	}88}89// public native boolean getInt(Object o, long offset);90// (Ljava/lang/Object;J)I91func getInt(frame *rtda.Frame) {92	vars := frame.LocalVars()93	fields := vars.GetRef(1).Data()94	offset := vars.GetLong(2)95	stack := frame.OperandStack()96	if slots, ok := fields.(heap.Slots); ok {97		// object98		stack.PushInt(slots.GetInt(uint(offset)))99	} else if shorts, ok := fields.([]int32); ok {100		// int[]101		stack.PushInt(int32(shorts[offset]))102	} else {103		panic("getInt!")104	}105}106// public final native boolean compareAndSwapInt(Object o, long offset, int expected, int x);107// (Ljava/lang/Object;JII)Z108func compareAndSwapInt(frame *rtda.Frame) {109	vars := frame.LocalVars()110	fields := vars.GetRef(1).Data()111	offset := vars.GetLong(2)112	expected := vars.GetInt(4)113	newVal := vars.GetInt(5)114	if slots, ok := fields.(heap.Slots); ok {115		// object116		oldVal := slots.GetInt(uint(offset))117		if oldVal == expected {118			slots.SetInt(uint(offset), newVal)119			frame.OperandStack().PushBoolean(true)120		} else {121			frame.OperandStack().PushBoolean(false)122		}123	} else if ints, ok := fields.([]int32); ok {124		// int[]125		oldVal := ints[offset]126		if oldVal == expected {127			ints[offset] = newVal128			frame.OperandStack().PushBoolean(true)129		} else {130			frame.OperandStack().PushBoolean(false)131		}132	} else {133		// todo134		panic("todo: compareAndSwapInt!")135	}136}137// public native Object getObject(Object o, long offset);138// (Ljava/lang/Object;J)Ljava/lang/Object;139func getObject(frame *rtda.Frame) {140	vars := frame.LocalVars()141	fields := vars.GetRef(1).Data()142	offset := vars.GetLong(2)143	if anys, ok := fields.(heap.Slots); ok {144		// object145		x := anys.GetRef(uint(offset))146		frame.OperandStack().PushRef(x)147	} else if objs, ok := fields.([]*heap.Object); ok {148		// ref[]149		x := objs[offset]150		frame.OperandStack().PushRef(x)151	} else {152		panic("getObject!")153	}154}155// public final native boolean compareAndSwapLong(Object o, long offset, long expected, long x);156// (Ljava/lang/Object;JJJ)Z157func compareAndSwapLong(frame *rtda.Frame) {158	vars := frame.LocalVars()159	fields := vars.GetRef(1).Data()160	offset := vars.GetLong(2)161	expected := vars.GetLong(4)162	newVal := vars.GetLong(6)163	if slots, ok := fields.(heap.Slots); ok {164		// object165		oldVal := slots.GetLong(uint(offset))166		if oldVal == expected {167			slots.SetLong(uint(offset), newVal)168			frame.OperandStack().PushBoolean(true)169		} else {170			frame.OperandStack().PushBoolean(false)171		}172	} else if longs, ok := fields.([]int64); ok {173		// long[]174		oldVal := longs[offset]175		if oldVal == expected {176			longs[offset] = newVal177			frame.OperandStack().PushBoolean(true)178		} else {179			frame.OperandStack().PushBoolean(false)180		}181	} else {182		// todo183		panic("todo: compareAndSwapLong!")184	}185}...

Swap

Using AI Code Generation

1import (2func main() {3	fmt.Println("Before swap, value of a : ", a)4	fmt.Println("Before swap, value of b : ", b)5	swap(&a, &b)6	fmt.Println("After swap, value of a : ", a)7	fmt.Println("After swap, value of b : ", b)8}9func swap(x *int, y *int) {10}11import (12type Book struct {13}14func main() {15	fmt.Println("Book 1 title : ", Book1.title)16	fmt.Println("Book 1 author : ", Book1.author)17	fmt.Println("Book 2 title : ", Book2.title)18	fmt.Println("Book 2 author : ", Book2.author)19	fmt.Println("Book 1 title : ", Book1.title)20}

Swap

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Before Swap:", a, b)4    fmt.Println("After Swap:", a, b)5}6import "fmt"7func main() {8    fmt.Println("Before Swap:", a, b)9    fmt.Println("After Swap:", a, b)10}11import "fmt"12func main() {13    fmt.Println("Before Swap:", a, b)14    fmt.Println("After Swap:", a, b)15}16import "fmt"17func swap(a, b string) (string, string) {18}19func main() {20    fmt.Println("Before Swap:", a, b)21    a, b = swap(a, b)22    fmt.Println("After Swap:", a, b)23}24import "fmt"25func swap(a, b *string) {26}27func main() {28    fmt.Println("Before Swap:", a, b)29    swap(&a, &b)30    fmt.Println("After Swap:", a, b)31}

Swap

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Before Swap")4    fmt.Println("a = ", a)5    fmt.Println("b = ", b)6    fmt.Println("After Swap")7    fmt.Println("a = ", a)8    fmt.Println("b = ", b)9}

Swap

Using AI Code Generation

1import (2func main() {3	fmt.Println("Before swap, value of a ", a)4	fmt.Println("Before swap, value of b ", b)5	reflect.Swapper([]int{a, b})(0, 1)6	fmt.Println("After swap, value of a ", a)7	fmt.Println("After swap, value of b ", b)8}

Swap

Using AI Code Generation

1import (2func main() {3    fmt.Println("Enter two numbers")4    fmt.Scanln(&a, &b)5    fmt.Println("Before swapping")6    fmt.Println("a:", a, "b:", b)7    fmt.Println("After swapping")8    fmt.Println("a:", a, "b:", b)9}10lang.Swap(a, b)11import (12func main() {13    fmt.Println("Enter two numbers")14    fmt.Scanln(&a, &b)15    fmt.Println("Before swapping")16    fmt.Println("a:", a, "b:", b)17    a, b = math.Swap(a, b)18    fmt.Println("After swapping")19    fmt.Println("a:", a, "b:", b)20}

Swap

Using AI Code Generation

1import "fmt"2func main() {3fmt.Println("Before swapping")4fmt.Println("a=", a)5fmt.Println("b=", b)6fmt.Println("After swapping")7fmt.Println("a=", a)8fmt.Println("b=", b)9}

Swap

Using AI Code Generation

1import (2func main() {3	numbers := []int{1, 2, 3, 4, 5, 6, 7, 8, 9}4	fmt.Println("numbers before swap:", numbers)5	sort.Ints(numbers)6	fmt.Println("numbers after swap:", numbers)7}8import (9func main() {10	names := []string{"Hitesh", "Kumar", "Singh", "Golang", "Python"}11	fmt.Println("names before sort:", names)12	sort.Strings(names)13	fmt.Println("names after sort:", names)14}15import (16func main() {17	numbers := []float64{1.2, 2.1, 3.5, 4.4, 5.1, 6.6, 7.9, 8.7, 9.4}18	fmt.Println("numbers before sort:", numbers)19	sort.Float64s(numbers)20	fmt.Println("numbers after sort:", numbers)21}

Swap

Using AI Code Generation

1import (2func main() {3	a := []string{"C", "C++", "Java", "Go", "Python", "Perl"}4	fmt.Println("Original array: ", a)5	sort.Strings(a)6	fmt.Println("Sorted array: ", a)7}8import (9func main() {10	a := []string{"C", "C++", "Java", "Go", "Python", "Perl"}11	fmt.Println("Original array: ", a)12	sort.Sort(sort.Reverse(sort.StringSlice(a)))13	fmt.Println("Sorted array: ", a)14}15import (16func main() {17	a := []string{"C", "C++", "Java", "Go", "Python", "Perl"}18	fmt.Println("Original array: ", a)19	sort.Sort(sort.StringSlice(a))20	fmt.Println("Sorted array: ", a)21}22import (23func main() {24	a := []string{"C", "C++", "Java", "Go", "Python", "Perl"}25	fmt.Println("Original array: ", a)26	sort.Sort(sort.Reverse(sort.StringSlice

Swap

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Before Swap", a, b)4    lang.Swap(a, b)5    fmt.Println("After Swap", a, b)6}7func Swap(a, b int) {8}9import "fmt"10func main() {11    fmt.Println("Before Swap", a, b)12    lang.Swap(&a, &b)13    fmt.Println("After Swap", a, b)14}15func Swap(a, b *int) {16}

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