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How to use Swap method of td Package

Best Go-testdeep code snippet using td.Swap

safe_format.go

Source:safe_format.go

...282		formatSafeIndex(w, md.Index, m)283	case *descpb.DescriptorMutation_Column:284		w.Printf(", Column: ")285		formatSafeColumn(w, md.Column, m)286	case *descpb.DescriptorMutation_PrimaryKeySwap:287		w.Printf(", PrimaryKeySwap: {")288		w.Printf("OldPrimaryIndexID: %d", md.PrimaryKeySwap.OldPrimaryIndexId)289		w.Printf(", OldIndexes: ")290		formatSafeIndexIDs(w, md.PrimaryKeySwap.NewIndexes)291		w.Printf(", NewPrimaryIndexID: %d", md.PrimaryKeySwap.NewPrimaryIndexId)292		w.Printf(", NewIndexes: ")293		formatSafeIndexIDs(w, md.PrimaryKeySwap.NewIndexes)294		w.Printf("}")295	case *descpb.DescriptorMutation_ComputedColumnSwap:296		w.Printf(", ComputedColumnSwap: {OldColumnID: %d, NewColumnID: %d}",297			md.ComputedColumnSwap.OldColumnId, md.ComputedColumnSwap.NewColumnId)298	case *descpb.DescriptorMutation_MaterializedViewRefresh:299		w.Printf(", MaterializedViewRefresh: {")300		w.Printf("NewPrimaryIndex: ")301		formatSafeIndex(w, &md.MaterializedViewRefresh.NewPrimaryIndex, m)302		w.Printf(", NewIndexes: [")303		for i := range md.MaterializedViewRefresh.NewIndexes {304			if i > 0 {305				w.Printf(", ")306			}307			formatSafeIndex(w, &md.MaterializedViewRefresh.NewIndexes[i], m)308		}309		w.Printf("]")310		w.Printf(", AsOf: %s, ShouldBackfill: %b",311			md.MaterializedViewRefresh.AsOf, md.MaterializedViewRefresh.ShouldBackfill)...

timer.go

Source:timer.go

1package time2import (3	"sync"4	itime "time"5	"go-common/library/log"6)7const (8	timerFormat      = "2006-01-02 15:04:05"9	infiniteDuration = itime.Duration(1<<63 - 1)10)11var (12	timerLazyDelay = 300 * itime.Millisecond13)14// TimerData timer data.15type TimerData struct {16	Key    string17	expire itime.Time18	fn     func()19	index  int20	next   *TimerData21}22// Delay delay duration.23func (td *TimerData) Delay() itime.Duration {24	return td.expire.Sub(itime.Now())25}26// ExpireString expire string.27func (td *TimerData) ExpireString() string {28	return td.expire.Format(timerFormat)29}30// Timer timer.31type Timer struct {32	lock   sync.Mutex33	free   *TimerData34	timers []*TimerData35	signal *itime.Timer36	num    int37}38// NewTimer new a timer.39// A heap must be initialized before any of the heap operations40// can be used. Init is idempotent with respect to the heap invariants41// and may be called whenever the heap invariants may have been invalidated.42// Its complexity is O(n) where n = h.Len().43//44func NewTimer(num int) (t *Timer) {45	t = new(Timer)46	t.init(num)47	return t48}49// Init init the timer.50func (t *Timer) Init(num int) {51	t.init(num)52}53func (t *Timer) init(num int) {54	t.signal = itime.NewTimer(infiniteDuration)55	t.timers = make([]*TimerData, 0, num)56	t.num = num57	t.grow()58	go t.start()59}60func (t *Timer) grow() {61	var (62		i   int63		td  *TimerData64		tds = make([]TimerData, t.num)65	)66	t.free = &(tds[0])67	td = t.free68	for i = 1; i < t.num; i++ {69		td.next = &(tds[i])70		td = td.next71	}72	td.next = nil73}74// get get a free timer data.75func (t *Timer) get() (td *TimerData) {76	if td = t.free; td == nil {77		t.grow()78		td = t.free79	}80	t.free = td.next81	return82}83// put put back a timer data.84func (t *Timer) put(td *TimerData) {85	td.fn = nil86	td.next = t.free87	t.free = td88}89// Add add the element x onto the heap. The complexity is90// O(log(n)) where n = h.Len().91func (t *Timer) Add(expire itime.Duration, fn func()) (td *TimerData) {92	t.lock.Lock()93	td = t.get()94	td.expire = itime.Now().Add(expire)95	td.fn = fn96	t.add(td)97	t.lock.Unlock()98	return99}100// Del removes the element at index i from the heap.101// The complexity is O(log(n)) where n = h.Len().102func (t *Timer) Del(td *TimerData) {103	t.lock.Lock()104	t.del(td)105	t.put(td)106	t.lock.Unlock()107}108// Push pushes the element x onto the heap. The complexity is109// O(log(n)) where n = h.Len().110func (t *Timer) add(td *TimerData) {111	var d itime.Duration112	td.index = len(t.timers)113	// add to the minheap last node114	t.timers = append(t.timers, td)115	t.up(td.index)116	if td.index == 0 {117		// if first node, signal start goroutine118		d = td.Delay()119		t.signal.Reset(d)120		if Debug {121			log.Info("timer: add reset delay %d ms", int64(d)/int64(itime.Millisecond))122		}123	}124	if Debug {125		log.Info("timer: push item key: %s, expire: %s, index: %d", td.Key, td.ExpireString(), td.index)126	}127}128func (t *Timer) del(td *TimerData) {129	var (130		i    = td.index131		last = len(t.timers) - 1132	)133	if i < 0 || i > last || t.timers[i] != td {134		// already remove, usually by expire135		if Debug {136			log.Info("timer del i: %d, last: %d, %p", i, last, td)137		}138		return139	}140	if i != last {141		t.swap(i, last)142		t.down(i, last)143		t.up(i)144	}145	// remove item is the last node146	t.timers[last].index = -1 // for safety147	t.timers = t.timers[:last]148	if Debug {149		log.Info("timer: remove item key: %s, expire: %s, index: %d", td.Key, td.ExpireString(), td.index)150	}151}152// Set update timer data.153func (t *Timer) Set(td *TimerData, expire itime.Duration) {154	t.lock.Lock()155	t.del(td)156	td.expire = itime.Now().Add(expire)157	t.add(td)158	t.lock.Unlock()159}160// start start the timer.161func (t *Timer) start() {162	for {163		t.expire()164		<-t.signal.C165	}166}167// expire removes the minimum element (according to Less) from the heap.168// The complexity is O(log(n)) where n = max.169// It is equivalent to Del(0).170func (t *Timer) expire() {171	var (172		fn func()173		td *TimerData174		d  itime.Duration175	)176	t.lock.Lock()177	for {178		if len(t.timers) == 0 {179			d = infiniteDuration180			if Debug {181				log.Info("timer: no other instance")182			}183			break184		}185		td = t.timers[0]186		if d = td.Delay(); d > 0 {187			break188		}189		fn = td.fn190		// let caller put back191		t.del(td)192		t.lock.Unlock()193		if fn == nil {194			log.Warn("expire timer no fn")195		} else {196			if Debug {197				log.Info("timer key: %s, expire: %s, index: %d expired, call fn", td.Key, td.ExpireString(), td.index)198			}199			fn()200		}201		t.lock.Lock()202	}203	t.signal.Reset(d)204	if Debug {205		log.Info("timer: expier reset delay %d ms", int64(d)/int64(itime.Millisecond))206	}207	t.lock.Unlock()208}209func (t *Timer) up(j int) {210	for {211		i := (j - 1) / 2 // parent212		if i <= j || !t.less(j, i) {213			break214		}215		t.swap(i, j)216		j = i217	}218}219func (t *Timer) down(i, n int) {220	for {221		j1 := 2*i + 1222		if j1 >= n || j1 < 0 { // j1 < 0 after int overflow223			break224		}225		j := j1 // left child226		if j2 := j1 + 1; j2 < n && !t.less(j1, j2) {227			j = j2 // = 2*i + 2  // right child228		}229		if !t.less(j, i) {230			break231		}232		t.swap(i, j)233		i = j234	}235}236func (t *Timer) less(i, j int) bool {237	return t.timers[i].expire.Before(t.timers[j].expire)238}239func (t *Timer) swap(i, j int) {240	t.timers[i], t.timers[j] = t.timers[j], t.timers[i]241	t.timers[i].index = i242	t.timers[j].index = j243}...

Swap

Using AI Code Generation

1import "fmt"2type td struct {3}4func (t *td) Swap() {5}6func main() {7    t := td{1, 2}8    t.Swap()9    fmt.Println(t)10}11{2 1}12import (13type Vertex struct {14}15func (v Vertex) Abs() float64 {16    return math.Sqrt(v.X*v.X + v.Y*v.Y)17}18func (v *Vertex) Scale(f float64) {19}20func AbsFunc(v Vertex) float64 {21    return math.Sqrt(v.X*v.X + v.Y*v.Y)22}23func ScaleFunc(v *Vertex, f float64) {

Swap

Using AI Code Generation

1import "fmt"2type td struct {3}4func main() {5	t := td{a: 10, b: 20}6	fmt.Println(t)7	t.Swap()8	fmt.Println(t)9}10func (t *td) Swap() {11}12{10 20}13{20 10}14import "fmt"15type td struct {16}17func main() {18	t := td{a: 10, b: 20}19	fmt.Println(t)20	t.Swap()21	fmt.Println(t)22}23func (t td) Swap() {24}25{10 20}26{10 20}27import "fmt"28type td struct {29}30func main() {31	t := td{a: 10, b: 20}32	fmt.Println(t)33	t.Swap()34	fmt.Println(t)35}36func (t td) Swap() {37}38{10 20}39{10 20}

Swap

Using AI Code Generation

1import "fmt"2type td struct {3}4func (t td) swap() td {5    return td{t.y, t.x}6}7func main() {8    t := td{2, 3}9    fmt.Println(t.swap())10}11{3 2}12import "fmt"13type td struct {14}15func (t td) swap() td {16    return td{t.y, t.x}17}18func main() {19    t := td{2, 3}20    fmt.Println(t.swap())21}22{3 2}23import "fmt"24type td struct {25}26func (t td) swap() td {27    return td{t.y, t.x}28}29func main() {30    t := td{2, 3}31    fmt.Println(f(t))32}33{3 2}34import "fmt"35type td struct {36}37func (t td) swap() td {38    return td{t.y, t.x}39}40func main() {41    t := td{2, 3}42    fmt.Println(f(t))43    fmt.Println(t.swap())44}45{3 2}46{3 2}47import "fmt"48type td struct {49}50func (t td) swap() td {51    return td{t.y, t.x}52}53func main() {54    t := td{2, 3}55    fmt.Println(f(t))

Swap

Using AI Code Generation

1import "fmt"2func main() {3    td1 := td{1, 2}4    td2 := td{3, 4}5    fmt.Println("Before swap: ", td1, td2)6    td1.swap(&td2)7    fmt.Println("After swap: ", td1, td2)8}9import "fmt"10func main() {11    td1 := td{1, 2}12    td2 := td{3, 4}13    fmt.Println("Before swap: ", td1, td2)14    td1.swap(td2)15    fmt.Println("After swap: ", td1, td2)16}17import "fmt"18func main() {19    td1 := td{1, 2}20    td2 := td{3, 4}21    fmt.Println("Before swap: ", td1, td2)22    td1.swap(&td1)23    fmt.Println("After swap: ", td1, td2)24}25import "fmt"26func main() {27    td1 := td{1, 2}28    td2 := td{3, 4}29    fmt.Println("Before swap: ", td1, td2)30    td1.swap(td1)31    fmt.Println("After swap: ", td1, td2)32}33import "fmt"34func main() {35    td1 := td{1,

Swap

Using AI Code Generation

1import (2func main() {3    td := td{1, 2}4    fmt.Println(td)5    td.swap()6    fmt.Println(td)7}8import (9func main() {10    td := td{1, 2}11    fmt.Println(td)12    td.swap()13    fmt.Println(td)14}15import (16func main() {17    td := td{1, 2}18    fmt.Println(td)19    td.swap()20    fmt.Println(td)21}22import (23func main() {24    td := td{1, 2}25    fmt.Println(td)26    td.swap()27    fmt.Println(td)28}29import (30func main() {31    td := td{1, 2}32    fmt.Println(td)33    td.swap()34    fmt.Println(td)35}36import (37func main() {38    td := td{1, 2}39    fmt.Println(td)40    td.swap()41    fmt.Println(td)42}43import (44func main() {45    td := td{1, 2}46    fmt.Println(td)47    td.swap()48    fmt.Println(td)49}

Swap

Using AI Code Generation

1import (2func main() {3    g := graph.New(4)4    g.Add(0, 1)5    g.Add(1, 2)6    g.Add(2, 3)7    g.Add(3, 0)8    fmt.Println("Original Graph")9    fmt.Println(g)10    fmt.Println("")11    fmt.Println("Swapping 0 with 1")12    g.Swap(0, 1)13    fmt.Println(g)14    fmt.Println("")15    fmt.Println("Swapping 0 with 1 again")16    g.Swap(0, 1)17    fmt.Println(g)18    fmt.Println("")19    fmt.Println("Swapping 0 with 2")20    g.Swap(0, 2)21    fmt.Println(g)22    fmt.Println("")23    fmt.Println("Swapping 0 with 2 again")24    g.Swap(0, 2)25    fmt.Println(g)26    fmt.Println("")27    fmt.Println("Swapping 1 with 2")28    g.Swap(1, 2)29    fmt.Println(g)30    fmt.Println("")31    fmt.Println("Swapping 1 with 2 again")32    g.Swap(1, 2)33    fmt.Println(g)34    fmt.Println("")35    fmt.Println("Swapping 2 with 3")36    g.Swap(2, 3)37    fmt.Println(g)38    fmt.Println("")39    fmt.Println("Swapping 2 with 3 again")40    g.Swap(2, 3)41    fmt.Println(g)42    fmt.Println("")43}

Swap

Using AI Code Generation

1import (2func main() {3	fmt.Println("Before swapping a=", a, "b=", b)4	swap(a, b)5	fmt.Println("After swapping a=", a, "b=", b)6}7func swap(x, y int) {8	fmt.Println("Inside swap function a=", x, "b=", y)9}10func swap(x, y *int) {11	fmt.Println("Inside swap function a=", *x, "b=", *y)12}13swap(&a, &b)

Swap

Using AI Code Generation

1import (2type td struct {3}4func (t td) String() string {5	return fmt.Sprintf("%d", t.d)6}7func main() {8	a := []td{{1}, {2}, {3}, {4}, {5}}9	sort.Slice(a, func(i, j int) bool { return a[i].d < a[j].d })10	fmt.Println(a)11	sort.Slice(a, func(i, j int) bool { return a[i].d > a[j].d })12	fmt.Println(a)13	sort.Slice(a, func(i, j int) bool { return a[i].d < a[j].d })14	fmt.Println(a)15	sort.Slice(a, func(i, j int) bool { return a[i].d > a[j].d })16	fmt.Println(a)17}

Swap

Using AI Code Generation

1import (2func main() {3	fmt.Println("Enter two numbers")4	fmt.Scan(&a, &b)5	fmt.Println("Before swapping a = ", a, "b = ", b)6	td.Swap(&a, &b)7	fmt.Println("After swapping a = ", a, "b = ", b)8}9func Swap(a, b *int) {10}

Swap

Using AI Code Generation

1import "fmt"2func main(){3fmt.Println("Before swap a is ",a," and b is ",b)4fmt.Println("After swap a is ",a," and b is ",b)5}6import "fmt"7func main(){8fmt.Println("Before swap a is ",a," and b is ",b)9fmt.Println("After swap a is ",a," and b is ",b)10}11import "fmt"12func main(){13fmt.Println("Before swap a is ",a," and b is ",b)14fmt.Println("After swap a is ",a," and b is ",b)15}16import "fmt"17func main(){18fmt.Println("Before swap a is ",a," and b is ",b)19fmt.Println("After swap a is ",a," and b is ",b)20}

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