How to use max method of diff Package

Best Got code snippet using diff.max

report_compare.go

Source:report_compare.go Github

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...60 switch {61 case opts.VerbosityLevel < 0:62 return 063 case opts.VerbosityLevel > 16:64 return 16 // some reasonable maximum to avoid shift overflow65 default:66 return uint(opts.VerbosityLevel)67 }68}69const maxVerbosityPreset = 670// verbosityPreset modifies the verbosity settings given an index71// between 0 and maxVerbosityPreset, inclusive.72func verbosityPreset(opts formatOptions, i int) formatOptions {73 opts.VerbosityLevel = int(opts.verbosity()) + 2*i74 if i > 0 {75 opts.AvoidStringer = true76 }77 if i >= maxVerbosityPreset {78 opts.PrintAddresses = true79 opts.QualifiedNames = true80 }81 return opts82}83// FormatDiff converts a valueNode tree into a textNode tree, where the later84// is a textual representation of the differences detected in the former.85func (opts formatOptions) FormatDiff(v *valueNode, ptrs *pointerReferences) (out textNode) {86 if opts.DiffMode == diffIdentical {87 opts = opts.WithVerbosity(1)88 } else if opts.verbosity() < 3 {89 opts = opts.WithVerbosity(3)90 }91 // Check whether we have specialized formatting for this node.92 // This is not necessary, but helpful for producing more readable outputs.93 if opts.CanFormatDiffSlice(v) {94 return opts.FormatDiffSlice(v)95 }96 var parentKind reflect.Kind97 if v.parent != nil && v.parent.TransformerName == "" {98 parentKind = v.parent.Type.Kind()99 }100 // For leaf nodes, format the value based on the reflect.Values alone.101 if v.MaxDepth == 0 {102 switch opts.DiffMode {103 case diffUnknown, diffIdentical:104 // Format Equal.105 if v.NumDiff == 0 {106 outx := opts.FormatValue(v.ValueX, parentKind, ptrs)107 outy := opts.FormatValue(v.ValueY, parentKind, ptrs)108 if v.NumIgnored > 0 && v.NumSame == 0 {109 return textEllipsis110 } else if outx.Len() < outy.Len() {111 return outx112 } else {113 return outy114 }115 }116 // Format unequal.117 assert(opts.DiffMode == diffUnknown)118 var list textList119 outx := opts.WithTypeMode(elideType).FormatValue(v.ValueX, parentKind, ptrs)120 outy := opts.WithTypeMode(elideType).FormatValue(v.ValueY, parentKind, ptrs)121 for i := 0; i <= maxVerbosityPreset && outx != nil && outy != nil && outx.Equal(outy); i++ {122 opts2 := verbosityPreset(opts, i).WithTypeMode(elideType)123 outx = opts2.FormatValue(v.ValueX, parentKind, ptrs)124 outy = opts2.FormatValue(v.ValueY, parentKind, ptrs)125 }126 if outx != nil {127 list = append(list, textRecord{Diff: '-', Value: outx})128 }129 if outy != nil {130 list = append(list, textRecord{Diff: '+', Value: outy})131 }132 return opts.WithTypeMode(emitType).FormatType(v.Type, list)133 case diffRemoved:134 return opts.FormatValue(v.ValueX, parentKind, ptrs)135 case diffInserted:136 return opts.FormatValue(v.ValueY, parentKind, ptrs)137 default:138 panic("invalid diff mode")139 }140 }141 // Register slice element to support cycle detection.142 if parentKind == reflect.Slice {143 ptrRefs := ptrs.PushPair(v.ValueX, v.ValueY, opts.DiffMode, true)144 defer ptrs.Pop()145 defer func() { out = wrapTrunkReferences(ptrRefs, out) }()146 }147 // Descend into the child value node.148 if v.TransformerName != "" {149 out := opts.WithTypeMode(emitType).FormatDiff(v.Value, ptrs)150 out = &textWrap{Prefix: "Inverse(" + v.TransformerName + ", ", Value: out, Suffix: ")"}151 return opts.FormatType(v.Type, out)152 } else {153 switch k := v.Type.Kind(); k {154 case reflect.Struct, reflect.Array, reflect.Slice:155 out = opts.formatDiffList(v.Records, k, ptrs)156 out = opts.FormatType(v.Type, out)157 case reflect.Map:158 // Register map to support cycle detection.159 ptrRefs := ptrs.PushPair(v.ValueX, v.ValueY, opts.DiffMode, false)160 defer ptrs.Pop()161 out = opts.formatDiffList(v.Records, k, ptrs)162 out = wrapTrunkReferences(ptrRefs, out)163 out = opts.FormatType(v.Type, out)164 case reflect.Ptr:165 // Register pointer to support cycle detection.166 ptrRefs := ptrs.PushPair(v.ValueX, v.ValueY, opts.DiffMode, false)167 defer ptrs.Pop()168 out = opts.FormatDiff(v.Value, ptrs)169 out = wrapTrunkReferences(ptrRefs, out)170 out = &textWrap{Prefix: "&", Value: out}171 case reflect.Interface:172 out = opts.WithTypeMode(emitType).FormatDiff(v.Value, ptrs)173 default:174 panic(fmt.Sprintf("%v cannot have children", k))175 }176 return out177 }178}179func (opts formatOptions) formatDiffList(recs []reportRecord, k reflect.Kind, ptrs *pointerReferences) textNode {180 // Derive record name based on the data structure kind.181 var name string182 var formatKey func(reflect.Value) string183 switch k {184 case reflect.Struct:185 name = "field"186 opts = opts.WithTypeMode(autoType)187 formatKey = func(v reflect.Value) string { return v.String() }188 case reflect.Slice, reflect.Array:189 name = "element"190 opts = opts.WithTypeMode(elideType)191 formatKey = func(reflect.Value) string { return "" }192 case reflect.Map:193 name = "entry"194 opts = opts.WithTypeMode(elideType)195 formatKey = func(v reflect.Value) string { return formatMapKey(v, false, ptrs) }196 }197 maxLen := -1198 if opts.LimitVerbosity {199 if opts.DiffMode == diffIdentical {200 maxLen = ((1 << opts.verbosity()) >> 1) << 2 // 0, 4, 8, 16, 32, etc...201 } else {202 maxLen = (1 << opts.verbosity()) << 1 // 2, 4, 8, 16, 32, 64, etc...203 }204 opts.VerbosityLevel--205 }206 // Handle unification.207 switch opts.DiffMode {208 case diffIdentical, diffRemoved, diffInserted:209 var list textList210 var deferredEllipsis bool // Add final "..." to indicate records were dropped211 for _, r := range recs {212 if len(list) == maxLen {213 deferredEllipsis = true214 break215 }216 // Elide struct fields that are zero value.217 if k == reflect.Struct {218 var isZero bool219 switch opts.DiffMode {220 case diffIdentical:221 isZero = value.IsZero(r.Value.ValueX) || value.IsZero(r.Value.ValueY)222 case diffRemoved:223 isZero = value.IsZero(r.Value.ValueX)224 case diffInserted:225 isZero = value.IsZero(r.Value.ValueY)226 }227 if isZero {228 continue229 }230 }231 // Elide ignored nodes.232 if r.Value.NumIgnored > 0 && r.Value.NumSame+r.Value.NumDiff == 0 {233 deferredEllipsis = !(k == reflect.Slice || k == reflect.Array)234 if !deferredEllipsis {235 list.AppendEllipsis(diffStats{})236 }237 continue238 }239 if out := opts.FormatDiff(r.Value, ptrs); out != nil {240 list = append(list, textRecord{Key: formatKey(r.Key), Value: out})241 }242 }243 if deferredEllipsis {244 list.AppendEllipsis(diffStats{})245 }246 return &textWrap{Prefix: "{", Value: list, Suffix: "}"}247 case diffUnknown:248 default:249 panic("invalid diff mode")250 }251 // Handle differencing.252 var numDiffs int253 var list textList254 var keys []reflect.Value // invariant: len(list) == len(keys)255 groups := coalesceAdjacentRecords(name, recs)256 maxGroup := diffStats{Name: name}257 for i, ds := range groups {258 if maxLen >= 0 && numDiffs >= maxLen {259 maxGroup = maxGroup.Append(ds)260 continue261 }262 // Handle equal records.263 if ds.NumDiff() == 0 {264 // Compute the number of leading and trailing records to print.265 var numLo, numHi int266 numEqual := ds.NumIgnored + ds.NumIdentical267 for numLo < numContextRecords && numLo+numHi < numEqual && i != 0 {268 if r := recs[numLo].Value; r.NumIgnored > 0 && r.NumSame+r.NumDiff == 0 {269 break270 }271 numLo++272 }273 for numHi < numContextRecords && numLo+numHi < numEqual && i != len(groups)-1 {274 if r := recs[numEqual-numHi-1].Value; r.NumIgnored > 0 && r.NumSame+r.NumDiff == 0 {275 break276 }277 numHi++278 }279 if numEqual-(numLo+numHi) == 1 && ds.NumIgnored == 0 {280 numHi++ // Avoid pointless coalescing of a single equal record281 }282 // Format the equal values.283 for _, r := range recs[:numLo] {284 out := opts.WithDiffMode(diffIdentical).FormatDiff(r.Value, ptrs)285 list = append(list, textRecord{Key: formatKey(r.Key), Value: out})286 keys = append(keys, r.Key)287 }288 if numEqual > numLo+numHi {289 ds.NumIdentical -= numLo + numHi290 list.AppendEllipsis(ds)291 for len(keys) < len(list) {292 keys = append(keys, reflect.Value{})293 }294 }295 for _, r := range recs[numEqual-numHi : numEqual] {296 out := opts.WithDiffMode(diffIdentical).FormatDiff(r.Value, ptrs)297 list = append(list, textRecord{Key: formatKey(r.Key), Value: out})298 keys = append(keys, r.Key)299 }300 recs = recs[numEqual:]301 continue302 }303 // Handle unequal records.304 for _, r := range recs[:ds.NumDiff()] {305 switch {306 case opts.CanFormatDiffSlice(r.Value):307 out := opts.FormatDiffSlice(r.Value)308 list = append(list, textRecord{Key: formatKey(r.Key), Value: out})309 keys = append(keys, r.Key)310 case r.Value.NumChildren == r.Value.MaxDepth:311 outx := opts.WithDiffMode(diffRemoved).FormatDiff(r.Value, ptrs)312 outy := opts.WithDiffMode(diffInserted).FormatDiff(r.Value, ptrs)313 for i := 0; i <= maxVerbosityPreset && outx != nil && outy != nil && outx.Equal(outy); i++ {314 opts2 := verbosityPreset(opts, i)315 outx = opts2.WithDiffMode(diffRemoved).FormatDiff(r.Value, ptrs)316 outy = opts2.WithDiffMode(diffInserted).FormatDiff(r.Value, ptrs)317 }318 if outx != nil {319 list = append(list, textRecord{Diff: diffRemoved, Key: formatKey(r.Key), Value: outx})320 keys = append(keys, r.Key)321 }322 if outy != nil {323 list = append(list, textRecord{Diff: diffInserted, Key: formatKey(r.Key), Value: outy})324 keys = append(keys, r.Key)325 }326 default:327 out := opts.FormatDiff(r.Value, ptrs)328 list = append(list, textRecord{Key: formatKey(r.Key), Value: out})329 keys = append(keys, r.Key)330 }331 }332 recs = recs[ds.NumDiff():]333 numDiffs += ds.NumDiff()334 }335 if maxGroup.IsZero() {336 assert(len(recs) == 0)337 } else {338 list.AppendEllipsis(maxGroup)339 for len(keys) < len(list) {340 keys = append(keys, reflect.Value{})341 }342 }343 assert(len(list) == len(keys))344 // For maps, the default formatting logic uses fmt.Stringer which may345 // produce ambiguous output. Avoid calling String to disambiguate.346 if k == reflect.Map {347 var ambiguous bool348 seenKeys := map[string]reflect.Value{}349 for i, currKey := range keys {350 if currKey.IsValid() {351 strKey := list[i].Key352 prevKey, seen := seenKeys[strKey]...

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1026_max_diff_between_node_and_ancestor.go

Source:1026_max_diff_between_node_and_ancestor.go Github

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...7 * Left *TreeNode8 * Right *TreeNode9 * }10 */11func maxAncestorDiff(root *TreeNode) int {12 _, _, ans := maxAncestorDiffHelper(root)13 return ans14}15func maxAncestorDiffHelper(node *TreeNode) (minVal, maxVal, maxDiff int) {16 if node == nil {17 minVal = 1e5 + 1018 maxVal = -119 maxDiff = 020 return21 }22 lMinVal, lMaxVal, lMaxDiff := maxAncestorDiffHelper(node.Left)23 rMinVal, rMaxVal, rMaxDiff := maxAncestorDiffHelper(node.Right)24 minVal = minInt(lMinVal, rMinVal)25 maxVal = maxInt(lMaxVal, rMaxVal)26 if minVal == 1e5+10 {27 // current node is a leaf28 minVal = node.Val29 maxVal = node.Val30 maxDiff = 031 return32 } else {33 maxDiff = maxInt(lMaxDiff, rMaxDiff)34 maxDiff = maxInt(maxDiff, int(math.Abs(float64(node.Val-minVal))))35 maxDiff = maxInt(maxDiff, int(math.Abs(float64(maxVal-node.Val))))36 minVal = minInt(minVal, node.Val)37 maxVal = maxInt(maxVal, node.Val)38 return39 }40}...

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max

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1import (2func main() {3 fmt.Println(test.Max(1, 2))4}5func Max(a, b int) int {6 if a > b {7 }8}9You can also import a package with a different name. For example, if you want to import the test package with the name t, you can do the following:10import t "test"11import (12func main() {13 fmt.Println(m.Max(1, 2))14}15func Max(a, b int) int {16 if a > b {17 }18}19func Max(a, b int) int {20 if a > b {21 }22}

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max

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1import "fmt"2import "math"3func main() {4 fmt.Println(math.Max(2, 3))5}6import "fmt"7import "math"8func main() {9 fmt.Println(math.Max(2, 3))10}11import "fmt"12import "math"13func main() {14 fmt.Println(math.Max(2, 3))15}16import "fmt"17import "math"18func main() {19 fmt.Println(math.Max(2, 3))20}21import "fmt"22import "math"23func main() {24 fmt.Println(math.Max(2, 3))25}26import "fmt"27import "math"28func main() {29 fmt.Println(math.Max(2, 3))30}31import "fmt"32import "math"33func main() {34 fmt.Println(math.Max(2, 3))35}36import "fmt"37import "math"38func main() {39 fmt.Println(math.Max(2, 3))40}41import "fmt"42import "math"43func main() {44 fmt.Println(math.Max(2, 3))45}46import "fmt"47import "math"48func main() {49 fmt.Println(math.Max(2, 3))50}51import "fmt"52import "math"53func main() {54 fmt.Println(math.Max(2, 3))55}56import "fmt"57import "math"58func main()

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max

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1import "fmt"2import "math"3func main() {4fmt.Println(math.Max(5, 10))5}6import "fmt"7import "math"8func main() {9fmt.Println(math.Max(10, 5))10}11import "fmt"12import "math"13func main() {14fmt.Println(math.Max(5, 10))15}16import "fmt"17import "math"18func main() {19fmt.Println(math.Max(10, 5))20}21import "fmt"22import "math"23func main() {24fmt.Println(math.Max(5, 10))25}26import "fmt"27import "math"28func main() {29fmt.Println(math.Max(10, 5))30}31import "fmt"32import "math"33func main() {34fmt.Println(math.Max(5, 10))35}36import "fmt"37import "math"38func main() {39fmt.Println(math.Max(10, 5))40}41import "fmt"42import "math"43func main() {44fmt.Println(math.Max(5, 10))45}46import "fmt"47import "math"48func main() {49fmt.Println(math.Max(10, 5))50}51import "fmt"52import "math"53func main() {54fmt.Println(math.Max(5, 10))55}56import "fmt"57import "math"58func main() {59fmt.Println(math.Max(10, 5))

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max

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1import (2func main() {3 fmt.Println("Max(1,2)=", max.Max(1, 2))4}5func Max(a, b int) int {6 if a > b {7 }8}9import (10func TestMaxBasic(t *testing.T) {11 if Max(1, 2) != 2 {12 t.Error("Max(1,2) failed. Got 1, expected 2")13 }14}15func TestMaxTable(t *testing.T) {16 var tests = []struct {17 }{18 {1, 2, 2},19 {2, 1, 2},20 {2, 2, 2},21 {-1, 2, 2},22 {-1, -2, -1},23 {0, 0, 0},24 }25 for _, e := range tests {26 g := Max(e.a, e.b)27 if g != e.n {28 t.Errorf("Max(%d,%d) failed. Got %d, expected %d", e.a, e.b, g, e.n)29 }30 }31}32import "testing"33func BenchmarkMax(b *testing.B) {34 for i := 0; i < b.N; i++ {35 Max(1, 2)36 }37}38import (39func ExampleMax() {40 fmt.Println(max.Max(1, 2))41}42import (43func ExampleMax() {44 fmt.Println(max.Max(1, 2))45}46import (47func ExampleMax() {48 fmt.Println(max.Max(1, 2))49}50import (

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1import (2func main() {3 fmt.Println(math.Max(1, 2))4}5import (6func main() {7 fmt.Println(m.Max(1, 2))8}9import (10func main() {11 fmt.Println(math.Max(1, 2))12}13import (14func main() {15 fmt.Println(math.Max(1, 2))16}17import (18func main() {19 fmt.Println(math.Max(1, 2))20}21import (22func main() {23 fmt.Println(math.Max(1, 2))24}25import (26func main() {

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max

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1import (2func main() {3 fmt.Println("Hello, playground")4 fmt.Println("Max is ", diff.Max(2, 3))5}6func Max(a, b int) int {7 if a > b {8 }9}

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1import "fmt"2import "github.com/udaygandhi/myfirstgo/uday"3func main() {4 fmt.Println("Max value is ",uday.Max(10,20))5}6import "fmt"7import "github.com/udaygandhi/myfirstgo/uday"8func main() {9 fmt.Println("Max value is ",uday.Max(10,20))10 fmt.Println("Min value is ",uday.Min(10,20))11}12import "fmt"13import "github.com/udaygandhi/myfirstgo/uday"14func main() {15 fmt.Println("Max value is ",uday.Max(10,20))16 fmt.Println("Min value is ",uday.Min(10,20))17 fmt.Println("Add value is ",uday.Add(10,20))18}19import "fmt"20import "github.com/udaygandhi/myfirstgo/uday"21func main() {22 fmt.Println("Max value is ",uday.Max(10,20))23 fmt.Println("Min value is ",uday.Min(10,20))24 fmt.Println("Add value is ",uday.Add(10,20))25}26import "fmt"27import "github.com/udaygandhi/myfirstgo/uday"28func main() {29 fmt.Println("Max value is ",uday.Max(10,20))30 fmt.Println("Min value is ",uday.Min(10,20))31 fmt.Println("Add value is ",uday.Add(10,20))32 fmt.Println("Sub value is ",uday.Sub(10,20))33}34import "fmt"35import "github.com/udayg

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