new file: .gitignore
new file: LICENSE new file: README.md new file: compare/compare.go new file: for_test.go new file: heap/heap.go new file: heap/heap_test.go new file: interface.go new file: lastack/lastack.go new file: lastack/lastack_test.go new file: list/list.go new file: list/list_test.go new file: map/hashmap/hashmap.go new file: map/hashmap/hashmap_test.go new file: priority_list/iterator.go new file: priority_list/priority_list.go new file: priority_list/priority_list_test.go new file: priority_queue/iterator.go new file: priority_queue/priority_queue.go new file: priority_queue/priority_queue_test.go new file: priority_queue/vbt.go new file: priority_queue/vbt_test.go new file: priority_queuekey/iterator.go new file: priority_queuekey/priority_queuekey.go new file: priority_queuekey/priority_queuekey_test.go new file: priority_queuekey/vbt.go new file: priority_queuekey/vbt_test.go new file: set/hashset/hashset.go new file: set/hashset/hashset_test.go new file: set/treeset/treeset.go new file: set/treeset/treeset_test.go new file: sparse_array/array2/array2.go new file: sparse_array/array2/array2_test.go new file: sparse_array/array3/array3.go new file: sparse_array/array3/array3_test.go new file: sparse_array/arrayn/arrayn.go new file: sparse_array/arrayn/arrayn_test.go new file: stack/stack.go new file: stack/stack_test.go new file: tree/avl/avl.go new file: tree/avl/avl_test.go new file: tree/avl/iterator.go new file: tree/avldup/avldup.go new file: tree/avldup/avldup_test.go new file: tree/avldup/iterator.go new file: tree/avlkey/avlkey.go new file: tree/avlkey/avlkey_test.go new file: tree/avlkey/iterator.go new file: tree/avlkeydup/avlkeydup.go new file: tree/avlkeydup/avlkeydup_test.go new file: tree/avlkeydup/iterator.go new file: tree/vbt/iterator.go new file: tree/vbt/vbt.go new file: tree/vbt/vbt_test.go new file: tree/vbtkey/iterator.go new file: tree/vbtkey/vbtkey.go new file: tree/vbtkey/vbtkey_test.go
This commit is contained in:
153
sparse_array/array2/array2.go
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153
sparse_array/array2/array2.go
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@@ -0,0 +1,153 @@
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package array2
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type Array2 struct {
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sizes []int
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ysize int
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xsize int
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data [][]interface{}
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cap int
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}
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func New() *Array2 {
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return NewWithCap(8, 8)
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}
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func NewWithCap(ysize, xsize int) *Array2 {
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arr := &Array2{ysize: ysize, xsize: xsize}
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arr.sizes = make([]int, arr.ysize, arr.ysize)
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arr.data = make([][]interface{}, arr.ysize, arr.ysize)
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arr.cap = arr.ysize * arr.xsize
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return arr
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}
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func (arr *Array2) debugValues() []interface{} {
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var result []interface{}
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for _, y := range arr.data {
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if y != nil {
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for _, v := range y {
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if v == nil {
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result = append(result, struct{}{})
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} else {
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result = append(result, v)
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}
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}
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} else {
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for i := 0; i < arr.xsize; i++ {
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result = append(result, nil)
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}
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}
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}
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return result
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}
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func (arr *Array2) Values() []interface{} {
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var result []interface{}
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for _, y := range arr.data {
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if y != nil {
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for _, v := range y {
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if v == nil {
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result = append(result, nil)
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} else {
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result = append(result, v)
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}
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}
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} else {
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for i := 0; i < arr.xsize; i++ {
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result = append(result, nil)
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}
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}
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}
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return result
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}
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func (arr *Array2) Cap() int {
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return arr.cap
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}
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func (arr *Array2) Grow(size int) {
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arr.ysize += size
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temp := make([][]interface{}, arr.ysize, arr.ysize)
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copy(temp, arr.data)
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arr.data = temp
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tempsizes := make([]int, arr.ysize, arr.ysize)
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copy(tempsizes, arr.sizes)
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arr.sizes = tempsizes
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arr.cap = arr.ysize * arr.xsize
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}
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func (arr *Array2) Set(idx int, value interface{}) {
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yindex := idx / arr.xsize
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xindex := idx % arr.xsize
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xdata := arr.data[yindex]
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if xdata == nil {
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xdata = make([]interface{}, arr.xsize, arr.xsize)
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arr.data[yindex] = xdata
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}
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if xdata[xindex] == nil {
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arr.sizes[yindex]++
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}
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xdata[xindex] = value
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}
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func (arr *Array2) Get(idx int) (interface{}, bool) {
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yindex := idx / arr.xsize
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xindex := idx % arr.xsize
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xdata := arr.data[yindex]
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if xdata == nil {
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return nil, false
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}
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v := xdata[xindex]
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return v, v != nil
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}
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func (arr *Array2) GetOrSet(idx int, DoSetValue func([]interface{}, int)) (result interface{}, isSet bool) {
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yindex := idx / arr.xsize
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xindex := idx % arr.xsize
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xdata := arr.data[yindex]
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if xdata == nil {
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xdata = make([]interface{}, arr.xsize, arr.xsize)
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arr.data[yindex] = xdata
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}
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result = xdata[xindex]
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if result == nil {
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DoSetValue(xdata, xindex)
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result = xdata[xindex]
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if result == nil {
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panic("DoSetValue Not Set <nil> Value")
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}
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arr.sizes[yindex]++
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return result, true
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}
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return result, false
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}
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func (arr *Array2) Del(idx int) (interface{}, bool) {
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yindex := idx / arr.xsize
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xindex := idx % arr.xsize
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xdata := arr.data[yindex]
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if xdata == nil {
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return nil, false
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}
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v := xdata[xindex]
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xdata[xindex] = nil
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isnil := v != nil
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if isnil {
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arr.sizes[yindex]--
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if arr.sizes[yindex] == 0 {
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arr.data[yindex] = nil
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}
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}
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return v, isnil
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}
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248
sparse_array/array2/array2_test.go
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248
sparse_array/array2/array2_test.go
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@@ -0,0 +1,248 @@
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package array2
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import (
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"testing"
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"github.com/davecgh/go-spew/spew"
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"github.com/Pallinder/go-randomdata"
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)
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func testSet1(t *testing.T) {
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arr := NewWithCap(4, 4)
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l := []int{0, 6, 5, 15}
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for _, v := range l {
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arr.Set(v, v)
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}
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var result string
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result = spew.Sprint(arr.debugValues())
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if result != "[0 {} {} {} {} 5 6 {} <nil> <nil> <nil> <nil> {} {} {} 15]" {
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t.Error(result)
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}
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defer func() {
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if err := recover(); err == nil {
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t.Error("err == nil, but array the set is out of range")
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}
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}()
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arr.Set(16, 16)
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}
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func testSet2(t *testing.T) {
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arr := NewWithCap(5, 3)
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l := []int{0, 6, 5, 14}
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for _, v := range l {
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arr.Set(v, v)
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}
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var result string
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result = spew.Sprint(arr.debugValues())
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if result != "[0 {} {} {} {} 5 6 {} {} <nil> <nil> <nil> {} {} 14]" {
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t.Error(result)
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}
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defer func() {
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if err := recover(); err == nil {
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t.Error("err == nil, but array the set is out of range")
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}
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}()
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arr.Set(16, 16)
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}
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func TestArray2Set(t *testing.T) {
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testSet1(t)
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testSet2(t)
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}
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func testArray2Get1(t *testing.T) {
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arr := New()
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for i := 0; i < 64; i++ {
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arr.Set(i, i)
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}
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for i := 0; i < 64; i++ {
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if v, ok := arr.Get(i); ok {
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if v != i {
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t.Error("v is equal i, but", v, i)
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}
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} else {
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t.Error("not ok is error")
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}
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}
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defer func() {
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if err := recover(); err == nil {
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t.Error("err == nil, but array the get is out of range")
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}
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}()
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arr.Get(64)
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}
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func testArray2Get2(t *testing.T) {
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arr := NewWithCap(9, 8)
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for i := 0; i < 64; i++ {
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arr.Set(i, i)
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}
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for i := 0; i < 64; i++ {
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if v, ok := arr.Get(i); ok {
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if v != i {
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t.Error("v is equal i, but", v, i)
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}
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} else {
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t.Error("not ok is error")
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}
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}
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defer func() {
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if err := recover(); err == nil {
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t.Error("err == nil, but array the get is out of range")
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}
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}()
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arr.Get(72)
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}
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func TestArray2Get(t *testing.T) {
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testArray2Get1(t)
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testArray2Get2(t)
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}
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func TestArray2Del(t *testing.T) {
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arr := NewWithCap(3, 6)
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l := []int{0, 6, 5, 15}
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for _, v := range l {
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arr.Set(v, v)
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}
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// default [0 {} {} {} {} 5 6 {} <nil> <nil> <nil> <nil> {} {} {} 15]
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var result string
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arr.Del(0)
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result = spew.Sprint(arr.debugValues())
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if result != "[{} {} {} {} {} 5 6 {} {} {} {} {} {} {} {} 15 {} {}]" {
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t.Error(arr.data)
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t.Error(result)
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}
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arr.Del(5)
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result = spew.Sprint(arr.debugValues())
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if result != "[<nil> <nil> <nil> <nil> <nil> <nil> 6 {} {} {} {} {} {} {} {} 15 {} {}]" {
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t.Error(arr.data)
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t.Error(result)
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}
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arr.Del(6)
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result = spew.Sprint(arr.debugValues())
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if result != "[<nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> {} {} {} 15 {} {}]" {
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t.Error(result)
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}
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arr.Del(15)
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result = spew.Sprint(arr.debugValues())
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if result != "[<nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil>]" {
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t.Error(result)
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}
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defer func() {
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if err := recover(); err == nil {
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t.Error("err == nil, but array the del is out of range")
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}
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}()
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arr.Del(18)
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}
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func TestArray2Grow(t *testing.T) {
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arr := NewWithCap(4, 4)
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l := []int{0, 6, 5, 15}
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for _, v := range l {
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arr.Set(v, v)
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}
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arr.Grow(1)
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if v, ok := arr.Get(15); ok {
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if v != 15 {
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t.Error(v)
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}
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} else {
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t.Error(v)
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}
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arr.Set(19, 19)
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if v, ok := arr.Get(19); ok {
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if v != 19 {
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t.Error(v)
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}
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} else {
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t.Error(v)
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}
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arr.Grow(-1)
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var result string
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result = spew.Sprint(arr.debugValues())
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if result != "[0 {} {} {} {} 5 6 {} <nil> <nil> <nil> <nil> {} {} {} 15]" {
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t.Error(result)
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}
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}
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func BenchmarkArray2Set(b *testing.B) {
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arr := NewWithCap(1000, 100)
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b.N = 500000000
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b.StopTimer()
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var l []int
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for i := 0; i < b.N/10; i++ {
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l = append(l, randomdata.Number(0, 65535))
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}
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b.StartTimer()
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for c := 0; c < 10; c++ {
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for i := 0; i < b.N/10; i++ {
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arr.Set(l[i], i)
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}
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}
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}
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func BenchmarkArray2Get(b *testing.B) {
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arr := NewWithCap(1000, 100)
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b.N = 500000000
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b.StopTimer()
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for i := 0; i < 105535; i++ {
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v := randomdata.Number(0, 65535)
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arr.Set(v, v)
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}
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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arr.Get(i % 65535)
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}
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}
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func BenchmarkArray2Del(b *testing.B) {
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arr := NewWithCap(1000, 100)
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b.N = 500000000
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b.StopTimer()
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for i := 0; i < 105535; i++ {
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v := randomdata.Number(0, 65535)
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arr.Set(v, v)
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}
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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arr.Del(i % 65535)
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}
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}
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Reference in New Issue
Block a user