# How to use Zero method of got Package

Best Got code snippet using got.Zero

logic_test.go

Source:logic_test.go

`1package test2import "testing"3// Tests to make sure logic simplification rules are correct.4func TestLogic64(t *testing.T) {5 // test values to determine function equality6 values := [...]int64{-1 << 63, 1<<63 - 1, -4, -3, -2, -1, 0, 1, 2, 3, 4}7 // golden functions we use repeatedly8 zero := func(x int64) int64 { return 0 }9 id := func(x int64) int64 { return x }10 or := func(x, y int64) int64 { return x | y }11 and := func(x, y int64) int64 { return x & y }12 y := func(x, y int64) int64 { return y }13 for _, test := range [...]struct {14 name string15 f func(int64) int6416 golden func(int64) int6417 }{18 {"x|x", func(x int64) int64 { return x | x }, id},19 {"x|0", func(x int64) int64 { return x | 0 }, id},20 {"x|-1", func(x int64) int64 { return x | -1 }, func(x int64) int64 { return -1 }},21 {"x&x", func(x int64) int64 { return x & x }, id},22 {"x&0", func(x int64) int64 { return x & 0 }, zero},23 {"x&-1", func(x int64) int64 { return x & -1 }, id},24 {"x^x", func(x int64) int64 { return x ^ x }, zero},25 {"x^0", func(x int64) int64 { return x ^ 0 }, id},26 {"x^-1", func(x int64) int64 { return x ^ -1 }, func(x int64) int64 { return ^x }},27 {"x+0", func(x int64) int64 { return x + 0 }, id},28 {"x-x", func(x int64) int64 { return x - x }, zero},29 {"x*0", func(x int64) int64 { return x * 0 }, zero},30 {"^^x", func(x int64) int64 { return ^^x }, id},31 } {32 for _, v := range values {33 got := test.f(v)34 want := test.golden(v)35 if want != got {36 t.Errorf("[%s](%d)=%d, want %d", test.name, v, got, want)37 }38 }39 }40 for _, test := range [...]struct {41 name string42 f func(int64, int64) int6443 golden func(int64, int64) int6444 }{45 {"x|(x|y)", func(x, y int64) int64 { return x | (x | y) }, or},46 {"x|(y|x)", func(x, y int64) int64 { return x | (y | x) }, or},47 {"(x|y)|x", func(x, y int64) int64 { return (x | y) | x }, or},48 {"(y|x)|x", func(x, y int64) int64 { return (y | x) | x }, or},49 {"x&(x&y)", func(x, y int64) int64 { return x & (x & y) }, and},50 {"x&(y&x)", func(x, y int64) int64 { return x & (y & x) }, and},51 {"(x&y)&x", func(x, y int64) int64 { return (x & y) & x }, and},52 {"(y&x)&x", func(x, y int64) int64 { return (y & x) & x }, and},53 {"x^(x^y)", func(x, y int64) int64 { return x ^ (x ^ y) }, y},54 {"x^(y^x)", func(x, y int64) int64 { return x ^ (y ^ x) }, y},55 {"(x^y)^x", func(x, y int64) int64 { return (x ^ y) ^ x }, y},56 {"(y^x)^x", func(x, y int64) int64 { return (y ^ x) ^ x }, y},57 {"-(y-x)", func(x, y int64) int64 { return -(y - x) }, func(x, y int64) int64 { return x - y }},58 {"(x+y)-x", func(x, y int64) int64 { return (x + y) - x }, y},59 {"(y+x)-x", func(x, y int64) int64 { return (y + x) - x }, y},60 } {61 for _, v := range values {62 for _, w := range values {63 got := test.f(v, w)64 want := test.golden(v, w)65 if want != got {66 t.Errorf("[%s](%d,%d)=%d, want %d", test.name, v, w, got, want)67 }68 }69 }70 }71}72func TestLogic32(t *testing.T) {73 // test values to determine function equality74 values := [...]int32{-1 << 31, 1<<31 - 1, -4, -3, -2, -1, 0, 1, 2, 3, 4}75 // golden functions we use repeatedly76 zero := func(x int32) int32 { return 0 }77 id := func(x int32) int32 { return x }78 or := func(x, y int32) int32 { return x | y }79 and := func(x, y int32) int32 { return x & y }80 y := func(x, y int32) int32 { return y }81 for _, test := range [...]struct {82 name string83 f func(int32) int3284 golden func(int32) int3285 }{86 {"x|x", func(x int32) int32 { return x | x }, id},87 {"x|0", func(x int32) int32 { return x | 0 }, id},88 {"x|-1", func(x int32) int32 { return x | -1 }, func(x int32) int32 { return -1 }},89 {"x&x", func(x int32) int32 { return x & x }, id},90 {"x&0", func(x int32) int32 { return x & 0 }, zero},91 {"x&-1", func(x int32) int32 { return x & -1 }, id},92 {"x^x", func(x int32) int32 { return x ^ x }, zero},93 {"x^0", func(x int32) int32 { return x ^ 0 }, id},94 {"x^-1", func(x int32) int32 { return x ^ -1 }, func(x int32) int32 { return ^x }},95 {"x+0", func(x int32) int32 { return x + 0 }, id},96 {"x-x", func(x int32) int32 { return x - x }, zero},97 {"x*0", func(x int32) int32 { return x * 0 }, zero},98 {"^^x", func(x int32) int32 { return ^^x }, id},99 } {100 for _, v := range values {101 got := test.f(v)102 want := test.golden(v)103 if want != got {104 t.Errorf("[%s](%d)=%d, want %d", test.name, v, got, want)105 }106 }107 }108 for _, test := range [...]struct {109 name string110 f func(int32, int32) int32111 golden func(int32, int32) int32112 }{113 {"x|(x|y)", func(x, y int32) int32 { return x | (x | y) }, or},114 {"x|(y|x)", func(x, y int32) int32 { return x | (y | x) }, or},115 {"(x|y)|x", func(x, y int32) int32 { return (x | y) | x }, or},116 {"(y|x)|x", func(x, y int32) int32 { return (y | x) | x }, or},117 {"x&(x&y)", func(x, y int32) int32 { return x & (x & y) }, and},118 {"x&(y&x)", func(x, y int32) int32 { return x & (y & x) }, and},119 {"(x&y)&x", func(x, y int32) int32 { return (x & y) & x }, and},120 {"(y&x)&x", func(x, y int32) int32 { return (y & x) & x }, and},121 {"x^(x^y)", func(x, y int32) int32 { return x ^ (x ^ y) }, y},122 {"x^(y^x)", func(x, y int32) int32 { return x ^ (y ^ x) }, y},123 {"(x^y)^x", func(x, y int32) int32 { return (x ^ y) ^ x }, y},124 {"(y^x)^x", func(x, y int32) int32 { return (y ^ x) ^ x }, y},125 {"-(y-x)", func(x, y int32) int32 { return -(y - x) }, func(x, y int32) int32 { return x - y }},126 {"(x+y)-x", func(x, y int32) int32 { return (x + y) - x }, y},127 {"(y+x)-x", func(x, y int32) int32 { return (y + x) - x }, y},128 } {129 for _, v := range values {130 for _, w := range values {131 got := test.f(v, w)132 want := test.golden(v, w)133 if want != got {134 t.Errorf("[%s](%d,%d)=%d, want %d", test.name, v, w, got, want)135 }136 }137 }138 }139}140func TestLogic16(t *testing.T) {141 // test values to determine function equality142 values := [...]int16{-1 << 15, 1<<15 - 1, -4, -3, -2, -1, 0, 1, 2, 3, 4}143 // golden functions we use repeatedly144 zero := func(x int16) int16 { return 0 }145 id := func(x int16) int16 { return x }146 or := func(x, y int16) int16 { return x | y }147 and := func(x, y int16) int16 { return x & y }148 y := func(x, y int16) int16 { return y }149 for _, test := range [...]struct {150 name string151 f func(int16) int16152 golden func(int16) int16153 }{154 {"x|x", func(x int16) int16 { return x | x }, id},155 {"x|0", func(x int16) int16 { return x | 0 }, id},156 {"x|-1", func(x int16) int16 { return x | -1 }, func(x int16) int16 { return -1 }},157 {"x&x", func(x int16) int16 { return x & x }, id},158 {"x&0", func(x int16) int16 { return x & 0 }, zero},159 {"x&-1", func(x int16) int16 { return x & -1 }, id},160 {"x^x", func(x int16) int16 { return x ^ x }, zero},161 {"x^0", func(x int16) int16 { return x ^ 0 }, id},162 {"x^-1", func(x int16) int16 { return x ^ -1 }, func(x int16) int16 { return ^x }},163 {"x+0", func(x int16) int16 { return x + 0 }, id},164 {"x-x", func(x int16) int16 { return x - x }, zero},165 {"x*0", func(x int16) int16 { return x * 0 }, zero},166 {"^^x", func(x int16) int16 { return ^^x }, id},167 } {168 for _, v := range values {169 got := test.f(v)170 want := test.golden(v)171 if want != got {172 t.Errorf("[%s](%d)=%d, want %d", test.name, v, got, want)173 }174 }175 }176 for _, test := range [...]struct {177 name string178 f func(int16, int16) int16179 golden func(int16, int16) int16180 }{181 {"x|(x|y)", func(x, y int16) int16 { return x | (x | y) }, or},182 {"x|(y|x)", func(x, y int16) int16 { return x | (y | x) }, or},183 {"(x|y)|x", func(x, y int16) int16 { return (x | y) | x }, or},184 {"(y|x)|x", func(x, y int16) int16 { return (y | x) | x }, or},185 {"x&(x&y)", func(x, y int16) int16 { return x & (x & y) }, and},186 {"x&(y&x)", func(x, y int16) int16 { return x & (y & x) }, and},187 {"(x&y)&x", func(x, y int16) int16 { return (x & y) & x }, and},188 {"(y&x)&x", func(x, y int16) int16 { return (y & x) & x }, and},189 {"x^(x^y)", func(x, y int16) int16 { return x ^ (x ^ y) }, y},190 {"x^(y^x)", func(x, y int16) int16 { return x ^ (y ^ x) }, y},191 {"(x^y)^x", func(x, y int16) int16 { return (x ^ y) ^ x }, y},192 {"(y^x)^x", func(x, y int16) int16 { return (y ^ x) ^ x }, y},193 {"-(y-x)", func(x, y int16) int16 { return -(y - x) }, func(x, y int16) int16 { return x - y }},194 {"(x+y)-x", func(x, y int16) int16 { return (x + y) - x }, y},195 {"(y+x)-x", func(x, y int16) int16 { return (y + x) - x }, y},196 } {197 for _, v := range values {198 for _, w := range values {199 got := test.f(v, w)200 want := test.golden(v, w)201 if want != got {202 t.Errorf("[%s](%d,%d)=%d, want %d", test.name, v, w, got, want)203 }204 }205 }206 }207}208func TestLogic8(t *testing.T) {209 // test values to determine function equality210 values := [...]int8{-1 << 7, 1<<7 - 1, -4, -3, -2, -1, 0, 1, 2, 3, 4}211 // golden functions we use repeatedly212 zero := func(x int8) int8 { return 0 }213 id := func(x int8) int8 { return x }214 or := func(x, y int8) int8 { return x | y }215 and := func(x, y int8) int8 { return x & y }216 y := func(x, y int8) int8 { return y }217 for _, test := range [...]struct {218 name string219 f func(int8) int8220 golden func(int8) int8221 }{222 {"x|x", func(x int8) int8 { return x | x }, id},223 {"x|0", func(x int8) int8 { return x | 0 }, id},224 {"x|-1", func(x int8) int8 { return x | -1 }, func(x int8) int8 { return -1 }},225 {"x&x", func(x int8) int8 { return x & x }, id},226 {"x&0", func(x int8) int8 { return x & 0 }, zero},227 {"x&-1", func(x int8) int8 { return x & -1 }, id},228 {"x^x", func(x int8) int8 { return x ^ x }, zero},229 {"x^0", func(x int8) int8 { return x ^ 0 }, id},230 {"x^-1", func(x int8) int8 { return x ^ -1 }, func(x int8) int8 { return ^x }},231 {"x+0", func(x int8) int8 { return x + 0 }, id},232 {"x-x", func(x int8) int8 { return x - x }, zero},233 {"x*0", func(x int8) int8 { return x * 0 }, zero},234 {"^^x", func(x int8) int8 { return ^^x }, id},235 } {236 for _, v := range values {237 got := test.f(v)238 want := test.golden(v)239 if want != got {240 t.Errorf("[%s](%d)=%d, want %d", test.name, v, got, want)241 }242 }243 }244 for _, test := range [...]struct {245 name string246 f func(int8, int8) int8247 golden func(int8, int8) int8248 }{249 {"x|(x|y)", func(x, y int8) int8 { return x | (x | y) }, or},250 {"x|(y|x)", func(x, y int8) int8 { return x | (y | x) }, or},251 {"(x|y)|x", func(x, y int8) int8 { return (x | y) | x }, or},252 {"(y|x)|x", func(x, y int8) int8 { return (y | x) | x }, or},253 {"x&(x&y)", func(x, y int8) int8 { return x & (x & y) }, and},254 {"x&(y&x)", func(x, y int8) int8 { return x & (y & x) }, and},255 {"(x&y)&x", func(x, y int8) int8 { return (x & y) & x }, and},256 {"(y&x)&x", func(x, y int8) int8 { return (y & x) & x }, and},257 {"x^(x^y)", func(x, y int8) int8 { return x ^ (x ^ y) }, y},258 {"x^(y^x)", func(x, y int8) int8 { return x ^ (y ^ x) }, y},259 {"(x^y)^x", func(x, y int8) int8 { return (x ^ y) ^ x }, y},260 {"(y^x)^x", func(x, y int8) int8 { return (y ^ x) ^ x }, y},261 {"-(y-x)", func(x, y int8) int8 { return -(y - x) }, func(x, y int8) int8 { return x - y }},262 {"(x+y)-x", func(x, y int8) int8 { return (x + y) - x }, y},263 {"(y+x)-x", func(x, y int8) int8 { return (y + x) - x }, y},264 } {265 for _, v := range values {266 for _, w := range values {267 got := test.f(v, w)268 want := test.golden(v, w)269 if want != got {270 t.Errorf("[%s](%d,%d)=%d, want %d", test.name, v, w, got, want)271 }272 }273 }274 }275}...`

divbyzero.go

Source:divbyzero.go

`...3 "fmt"4 "runtime"5)6var failed = false7func checkDivByZero(f func()) (divByZero bool) {8 defer func() {9 if r := recover(); r != nil {10 if e, ok := r.(runtime.Error); ok && e.Error() == "runtime error: integer divide by zero" {11 divByZero = true12 }13 }14 }()15 f()16 return false17}18//go:noinline19func a(i uint, s []int) int {20 return s[i%uint(len(s))]21}22//go:noinline23func b(i uint, j uint) uint {24 return i / j25}26//go:noinline27func c(i int) int {28 return 7 / (i - i)29}30func main() {31 if got := checkDivByZero(func() { b(7, 0) }); !got {32 fmt.Printf("expected div by zero for b(7, 0), got no error\n")33 failed = true34 }35 if got := checkDivByZero(func() { b(7, 7) }); got {36 fmt.Printf("expected no error for b(7, 7), got div by zero\n")37 failed = true38 }39 if got := checkDivByZero(func() { a(4, nil) }); !got {40 fmt.Printf("expected div by zero for a(4, nil), got no error\n")41 failed = true42 }43 if got := checkDivByZero(func() { c(5) }); !got {44 fmt.Printf("expected div by zero for c(5), got no error\n")45 failed = true46 }47 if failed {48 panic("tests failed")49 }50}...`

divbyzero_test.go

Source:divbyzero_test.go

`2import (3 "runtime"4 "testing"5)6func checkDivByZero(f func()) (divByZero bool) {7 defer func() {8 if r := recover(); r != nil {9 if e, ok := r.(runtime.Error); ok && e.Error() == "runtime error: integer divide by zero" {10 divByZero = true11 }12 }13 }()14 f()15 return false16}17//go:noinline18func div_a(i uint, s []int) int {19 return s[i%uint(len(s))]20}21//go:noinline22func div_b(i uint, j uint) uint {23 return i / j24}25//go:noinline26func div_c(i int) int {27 return 7 / (i - i)28}29func TestDivByZero(t *testing.T) {30 if got := checkDivByZero(func() { div_b(7, 0) }); !got {31 t.Errorf("expected div by zero for b(7, 0), got no error\n")32 }33 if got := checkDivByZero(func() { div_b(7, 7) }); got {34 t.Errorf("expected no error for b(7, 7), got div by zero\n")35 }36 if got := checkDivByZero(func() { div_a(4, nil) }); !got {37 t.Errorf("expected div by zero for a(4, nil), got no error\n")38 }39 if got := checkDivByZero(func() { div_c(5) }); !got {40 t.Errorf("expected div by zero for c(5), got no error\n")41 }42}...`

Zero

Using AI Code Generation

`1import (2type got struct {3}4func (g *got) zero() {5}6func main() {7 g := got{1, 2}8 g.zero()9 fmt.Println(g.x, g.y)10}`

Zero

Using AI Code Generation

`1import (2type NodeL struct {3}4type List struct {5}6func ListPushBack(l *List, data int) {7 node := &NodeL{Data: data}8 if l.Head == nil {9 } else {10 }11}12func PrintList(l *List) {13 for node := l.Head; node != nil; node = node.Next {14 fmt.Print(node.Data)15 if node.Next != nil {16 fmt.Print(" -> ")17 }18 }19 fmt.Println()20}21func Zero(l *List) {22 if l.Head == nil {23 }24 for node.Next != nil {25 if node.Data == 0 {26 if node == l.Head {27 } else {28 }29 } else {30 }31 }32 if node.Data == 0 {33 }34}35func main() {36 l := &List{}37 ListPushBack(l, 1)38 ListPushBack(l, 0)39 ListPushBack(l, 2)40 ListPushBack(l, 3)41 ListPushBack(l, 0)42 ListPushBack(l, 4)43 ListPushBack(l, 0)44 ListPushBack(l, 5)`

Zero

Using AI Code Generation

`1import (2type Vertex struct {3}4func (v Vertex) Abs() float64 {5 return math.Sqrt(v.X*v.X + v.Y*v.Y)6}7func (v *Vertex) Scale(f float64) {8}9func (v *Vertex) Zero() {10}11func main() {12 v := Vertex{3, 4}13 v.Scale(10)14 fmt.Println(v.Abs())15 v.Zero()16 fmt.Println(v.Abs())17}`

Zero

Using AI Code Generation

`1import "fmt"2type got struct {3}4func (g got) zero() {5}6func (g *got) pointer() {7}8func main() {9 g := got{10 }11 fmt.Println(g)12 g.zero()13 fmt.Println(g)14 g.pointer()15 fmt.Println(g)16}`

Zero

Using AI Code Generation

`1import (2type Vertex struct {3}4func (v Vertex) Abs() float64 {5 return math.Sqrt(v.X*v.X + v.Y*v.Y)6}7func Abs(v Vertex) float64 {8 return math.Sqrt(v.X*v.X + v.Y*v.Y)9}10func (v *Vertex) Scale(f float64) {11}12func Scale(v *Vertex, f float64) {13}14func (v *Vertex) Zero() {15}16func Zero(v *Vertex) {17}18func main() {19 v := Vertex{3, 4}20 fmt.Println(v.Abs())21 fmt.Println(Abs(v))22 v.Scale(10)23 fmt.Println(v.Abs())24 fmt.Println(Abs(v))25 Scale(&v, 10)26 fmt.Println(v.Abs())27 fmt.Println(Abs(v))28 v.Zero()29 fmt.Println(v.Abs())30 fmt.Println(Abs(v))31 Zero(&v)32 fmt.Println(v.Abs())33 fmt.Println(Abs(v))34}`

Zero

Using AI Code Generation

`1import (2type Point struct {3}4func (p *Point) Distance(q Point) float64 {5 return math.Hypot(q.X-p.X, q.Y-p.Y)6}7func (p *Point) ScaleBy(factor float64) {8}9func (p *Point) MoveBy(x, y float64) {10}11func (p *Point) Print() {12 fmt.Println(p)13}14func (p *Point) Zero() {15}16func main() {17 p := Point{1, 2}18 p.Print()19 p.MoveBy(2, 3)20 p.Print()21 p.ScaleBy(2)22 p.Print()23 p.Zero()24 p.Print()25}`

Zero

Using AI Code Generation

`1import (2type Vertex struct {3}4func (v Vertex) Abs() float64 {5 return math.Sqrt(v.X*v.X + v.Y*v.Y)6}7func (v *Vertex) Scale(f float64) {8}9func (v *Vertex) Zero() {10}11func main() {12 v := Vertex{3, 4}13 v.Scale(10)14 v.Zero()15 fmt.Println(v.Abs())16}`

Zero

Using AI Code Generation

`1import (2type Vertex struct {3}4}5 return math.Sqrt(v.X*v.X + v.Y*v.Y)6}7func main() {8 fmt.Println(v, v.Abs())9}`

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