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Workiva/go-datastructures | slice/skip/node.go | newNode | func newNode(cmp common.Comparator, maxLevels uint8) *node {
return &node{
entry: cmp,
forward: make(nodes, maxLevels),
widths: make(widths, maxLevels),
}
} | go | func newNode(cmp common.Comparator, maxLevels uint8) *node {
return &node{
entry: cmp,
forward: make(nodes, maxLevels),
widths: make(widths, maxLevels),
}
} | [
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Workiva/go-datastructures | futures/futures.go | GetResult | func (f *Future) GetResult() (interface{}, error) {
f.lock.Lock()
if f.triggered {
f.lock.Unlock()
return f.item, f.err
}
f.lock.Unlock()
f.wg.Wait()
return f.item, f.err
} | go | func (f *Future) GetResult() (interface{}, error) {
f.lock.Lock()
if f.triggered {
f.lock.Unlock()
return f.item, f.err
}
f.lock.Unlock()
f.wg.Wait()
return f.item, f.err
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Workiva/go-datastructures | futures/futures.go | HasResult | func (f *Future) HasResult() bool {
f.lock.Lock()
hasResult := f.triggered
f.lock.Unlock()
return hasResult
} | go | func (f *Future) HasResult() bool {
f.lock.Lock()
hasResult := f.triggered
f.lock.Unlock()
return hasResult
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Workiva/go-datastructures | futures/futures.go | New | func New(completer Completer, timeout time.Duration) *Future {
f := &Future{}
f.wg.Add(1)
var wg sync.WaitGroup
wg.Add(1)
go listenForResult(f, completer, timeout, &wg)
wg.Wait()
return f
} | go | func New(completer Completer, timeout time.Duration) *Future {
f := &Future{}
f.wg.Add(1)
var wg sync.WaitGroup
wg.Add(1)
go listenForResult(f, completer, timeout, &wg)
wg.Wait()
return f
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Workiva/go-datastructures | rangetree/ordered.go | addAt | func (nodes *orderedNodes) addAt(i int, node *node) *node {
if i == len(*nodes) {
*nodes = append(*nodes, node)
return nil
}
if (*nodes)[i].value == node.value {
overwritten := (*nodes)[i]
// this is a duplicate, there can't be a duplicate
// point in the last dimension
(*nodes)[i] = node
return overw... | go | func (nodes *orderedNodes) addAt(i int, node *node) *node {
if i == len(*nodes) {
*nodes = append(*nodes, node)
return nil
}
if (*nodes)[i].value == node.value {
overwritten := (*nodes)[i]
// this is a duplicate, there can't be a duplicate
// point in the last dimension
(*nodes)[i] = node
return overw... | [
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Workiva/go-datastructures | trie/yfast/yfast.go | getBucketKey | func (yfast *YFastTrie) getBucketKey(key uint64) uint64 {
i := key/uint64(yfast.bits) + 1
return uint64(yfast.bits)*i - 1
} | go | func (yfast *YFastTrie) getBucketKey(key uint64) uint64 {
i := key/uint64(yfast.bits) + 1
return uint64(yfast.bits)*i - 1
} | [
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Workiva/go-datastructures | trie/yfast/yfast.go | Insert | func (yfast *YFastTrie) Insert(entries ...Entry) Entries {
overwritten := make(Entries, 0, len(entries))
for _, e := range entries {
overwritten = append(overwritten, yfast.insert(e))
}
return overwritten
} | go | func (yfast *YFastTrie) Insert(entries ...Entry) Entries {
overwritten := make(Entries, 0, len(entries))
for _, e := range entries {
overwritten = append(overwritten, yfast.insert(e))
}
return overwritten
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Workiva/go-datastructures | trie/yfast/yfast.go | Delete | func (yfast *YFastTrie) Delete(keys ...uint64) Entries {
entries := make(Entries, 0, len(keys))
for _, key := range keys {
entries = append(entries, yfast.delete(key))
}
return entries
} | go | func (yfast *YFastTrie) Delete(keys ...uint64) Entries {
entries := make(Entries, 0, len(keys))
for _, key := range keys {
entries = append(entries, yfast.delete(key))
}
return entries
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Workiva/go-datastructures | trie/yfast/yfast.go | Get | func (yfast *YFastTrie) Get(key uint64) Entry {
entry := yfast.get(key)
if entry == nil {
return nil
}
return entry
} | go | func (yfast *YFastTrie) Get(key uint64) Entry {
entry := yfast.get(key)
if entry == nil {
return nil
}
return entry
} | [
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Workiva/go-datastructures | trie/yfast/yfast.go | Successor | func (yfast *YFastTrie) Successor(key uint64) Entry {
entry := yfast.successor(key)
if entry == nil {
return nil
}
return entry
} | go | func (yfast *YFastTrie) Successor(key uint64) Entry {
entry := yfast.successor(key)
if entry == nil {
return nil
}
return entry
} | [
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Workiva/go-datastructures | trie/yfast/yfast.go | Predecessor | func (yfast *YFastTrie) Predecessor(key uint64) Entry {
entry := yfast.predecessor(key)
if entry == nil {
return nil
}
return entry
} | go | func (yfast *YFastTrie) Predecessor(key uint64) Entry {
entry := yfast.predecessor(key)
if entry == nil {
return nil
}
return entry
} | [
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Workiva/go-datastructures | graph/simple.go | V | func (g *SimpleGraph) V() int {
g.mutex.RLock()
defer g.mutex.RUnlock()
return g.v
} | go | func (g *SimpleGraph) V() int {
g.mutex.RLock()
defer g.mutex.RUnlock()
return g.v
} | [
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Workiva/go-datastructures | graph/simple.go | E | func (g *SimpleGraph) E() int {
g.mutex.RLock()
defer g.mutex.RUnlock()
return g.e
} | go | func (g *SimpleGraph) E() int {
g.mutex.RLock()
defer g.mutex.RUnlock()
return g.e
} | [
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Workiva/go-datastructures | graph/simple.go | AddEdge | func (g *SimpleGraph) AddEdge(v, w interface{}) error {
g.mutex.Lock()
defer g.mutex.Unlock()
if v == w {
return ErrSelfLoop
}
g.addVertex(v)
g.addVertex(w)
if _, ok := g.adjacencyList[v][w]; ok {
return ErrParallelEdge
}
g.adjacencyList[v][w] = struct{}{}
g.adjacencyList[w][v] = struct{}{}
g.e++
re... | go | func (g *SimpleGraph) AddEdge(v, w interface{}) error {
g.mutex.Lock()
defer g.mutex.Unlock()
if v == w {
return ErrSelfLoop
}
g.addVertex(v)
g.addVertex(w)
if _, ok := g.adjacencyList[v][w]; ok {
return ErrParallelEdge
}
g.adjacencyList[v][w] = struct{}{}
g.adjacencyList[w][v] = struct{}{}
g.e++
re... | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/graph/simple.go#L68-L87 | train |
Workiva/go-datastructures | graph/simple.go | Adj | func (g *SimpleGraph) Adj(v interface{}) ([]interface{}, error) {
g.mutex.RLock()
defer g.mutex.RUnlock()
deg, err := g.Degree(v)
if err != nil {
return nil, ErrVertexNotFound
}
adj := make([]interface{}, deg)
i := 0
for key := range g.adjacencyList[v] {
adj[i] = key
i++
}
return adj, nil
} | go | func (g *SimpleGraph) Adj(v interface{}) ([]interface{}, error) {
g.mutex.RLock()
defer g.mutex.RUnlock()
deg, err := g.Degree(v)
if err != nil {
return nil, ErrVertexNotFound
}
adj := make([]interface{}, deg)
i := 0
for key := range g.adjacencyList[v] {
adj[i] = key
i++
}
return adj, nil
} | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/graph/simple.go#L90-L106 | train |
Workiva/go-datastructures | graph/simple.go | Degree | func (g *SimpleGraph) Degree(v interface{}) (int, error) {
g.mutex.RLock()
defer g.mutex.RUnlock()
val, ok := g.adjacencyList[v]
if !ok {
return 0, ErrVertexNotFound
}
return len(val), nil
} | go | func (g *SimpleGraph) Degree(v interface{}) (int, error) {
g.mutex.RLock()
defer g.mutex.RUnlock()
val, ok := g.adjacencyList[v]
if !ok {
return 0, ErrVertexNotFound
}
return len(val), nil
} | [
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Workiva/go-datastructures | btree/immutable/path.go | pop | func (p *path) pop() *pathBundle {
if pb := p.tail; pb != nil {
p.tail = pb.prev
pb.prev = nil
return pb
}
return nil
} | go | func (p *path) pop() *pathBundle {
if pb := p.tail; pb != nil {
p.tail = pb.prev
pb.prev = nil
return pb
}
return nil
} | [
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Workiva/go-datastructures | trie/ctrie/ctrie.go | copyToGen | func (i *iNode) copyToGen(gen *generation, ctrie *Ctrie) *iNode {
nin := &iNode{gen: gen}
main := gcasRead(i, ctrie)
atomic.StorePointer(
(*unsafe.Pointer)(unsafe.Pointer(&nin.main)), unsafe.Pointer(main))
return nin
} | go | func (i *iNode) copyToGen(gen *generation, ctrie *Ctrie) *iNode {
nin := &iNode{gen: gen}
main := gcasRead(i, ctrie)
atomic.StorePointer(
(*unsafe.Pointer)(unsafe.Pointer(&nin.main)), unsafe.Pointer(main))
return nin
} | [
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Workiva/go-datastructures | trie/ctrie/ctrie.go | newMainNode | func newMainNode(x *sNode, xhc uint32, y *sNode, yhc uint32, lev uint, gen *generation) *mainNode {
if lev < exp2 {
xidx := (xhc >> lev) & 0x1f
yidx := (yhc >> lev) & 0x1f
bmp := uint32((1 << xidx) | (1 << yidx))
if xidx == yidx {
// Recurse when indexes are equal.
main := newMainNode(x, xhc, y, yhc, le... | go | func newMainNode(x *sNode, xhc uint32, y *sNode, yhc uint32, lev uint, gen *generation) *mainNode {
if lev < exp2 {
xidx := (xhc >> lev) & 0x1f
yidx := (yhc >> lev) & 0x1f
bmp := uint32((1 << xidx) | (1 << yidx))
if xidx == yidx {
// Recurse when indexes are equal.
main := newMainNode(x, xhc, y, yhc, le... | [
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// mainNode will consist of cNodes as long as the hashcode chunks of the two
// keys are equal at the given level. If the level exceeds 2^w, an lNode is
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Workiva/go-datastructures | trie/ctrie/ctrie.go | inserted | func (c *cNode) inserted(pos, flag uint32, br branch, gen *generation) *cNode {
length := uint32(len(c.array))
bmp := c.bmp
array := make([]branch, length+1)
copy(array, c.array)
array[pos] = br
for i, x := pos, uint32(0); x < length-pos; i++ {
array[i+1] = c.array[i]
x++
}
ncn := &cNode{bmp: bmp | flag, ar... | go | func (c *cNode) inserted(pos, flag uint32, br branch, gen *generation) *cNode {
length := uint32(len(c.array))
bmp := c.bmp
array := make([]branch, length+1)
copy(array, c.array)
array[pos] = br
for i, x := pos, uint32(0); x < length-pos; i++ {
array[i+1] = c.array[i]
x++
}
ncn := &cNode{bmp: bmp | flag, ar... | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/trie/ctrie/ctrie.go#L139-L151 | train |
Workiva/go-datastructures | trie/ctrie/ctrie.go | updated | func (c *cNode) updated(pos uint32, br branch, gen *generation) *cNode {
array := make([]branch, len(c.array))
copy(array, c.array)
array[pos] = br
ncn := &cNode{bmp: c.bmp, array: array, gen: gen}
return ncn
} | go | func (c *cNode) updated(pos uint32, br branch, gen *generation) *cNode {
array := make([]branch, len(c.array))
copy(array, c.array)
array[pos] = br
ncn := &cNode{bmp: c.bmp, array: array, gen: gen}
return ncn
} | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/trie/ctrie/ctrie.go#L155-L161 | train |
Workiva/go-datastructures | trie/ctrie/ctrie.go | renewed | func (c *cNode) renewed(gen *generation, ctrie *Ctrie) *cNode {
array := make([]branch, len(c.array))
for i, br := range c.array {
switch t := br.(type) {
case *iNode:
array[i] = t.copyToGen(gen, ctrie)
default:
array[i] = br
}
}
return &cNode{bmp: c.bmp, array: array, gen: gen}
} | go | func (c *cNode) renewed(gen *generation, ctrie *Ctrie) *cNode {
array := make([]branch, len(c.array))
for i, br := range c.array {
switch t := br.(type) {
case *iNode:
array[i] = t.copyToGen(gen, ctrie)
default:
array[i] = br
}
}
return &cNode{bmp: c.bmp, array: array, gen: gen}
} | [
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Workiva/go-datastructures | trie/ctrie/ctrie.go | untombed | func (t *tNode) untombed() *sNode {
return &sNode{&Entry{Key: t.Key, hash: t.hash, Value: t.Value}}
} | go | func (t *tNode) untombed() *sNode {
return &sNode{&Entry{Key: t.Key, hash: t.hash, Value: t.Value}}
} | [
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Workiva/go-datastructures | trie/ctrie/ctrie.go | entry | func (l *lNode) entry() *sNode {
head, _ := l.Head()
return head.(*sNode)
} | go | func (l *lNode) entry() *sNode {
head, _ := l.Head()
return head.(*sNode)
} | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/trie/ctrie/ctrie.go#L213-L216 | train |
Workiva/go-datastructures | trie/ctrie/ctrie.go | lookup | func (l *lNode) lookup(e *Entry) (interface{}, bool) {
found, ok := l.Find(func(sn interface{}) bool {
return bytes.Equal(e.Key, sn.(*sNode).Key)
})
if !ok {
return nil, false
}
return found.(*sNode).Value, true
} | go | func (l *lNode) lookup(e *Entry) (interface{}, bool) {
found, ok := l.Find(func(sn interface{}) bool {
return bytes.Equal(e.Key, sn.(*sNode).Key)
})
if !ok {
return nil, false
}
return found.(*sNode).Value, true
} | [
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Workiva/go-datastructures | trie/ctrie/ctrie.go | inserted | func (l *lNode) inserted(entry *Entry) *lNode {
return &lNode{l.removed(entry).Add(&sNode{entry})}
} | go | func (l *lNode) inserted(entry *Entry) *lNode {
return &lNode{l.removed(entry).Add(&sNode{entry})}
} | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/trie/ctrie/ctrie.go#L231-L233 | train |
Workiva/go-datastructures | trie/ctrie/ctrie.go | removed | func (l *lNode) removed(e *Entry) *lNode {
idx := l.FindIndex(func(sn interface{}) bool {
return bytes.Equal(e.Key, sn.(*sNode).Key)
})
if idx < 0 {
return l
}
nl, _ := l.Remove(uint(idx))
return &lNode{nl}
} | go | func (l *lNode) removed(e *Entry) *lNode {
idx := l.FindIndex(func(sn interface{}) bool {
return bytes.Equal(e.Key, sn.(*sNode).Key)
})
if idx < 0 {
return l
}
nl, _ := l.Remove(uint(idx))
return &lNode{nl}
} | [
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Workiva/go-datastructures | trie/ctrie/ctrie.go | New | func New(hashFactory HashFactory) *Ctrie {
if hashFactory == nil {
hashFactory = defaultHashFactory
}
root := &iNode{main: &mainNode{cNode: &cNode{}}}
return newCtrie(root, hashFactory, false)
} | go | func New(hashFactory HashFactory) *Ctrie {
if hashFactory == nil {
hashFactory = defaultHashFactory
}
root := &iNode{main: &mainNode{cNode: &cNode{}}}
return newCtrie(root, hashFactory, false)
} | [
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Workiva/go-datastructures | trie/ctrie/ctrie.go | Insert | func (c *Ctrie) Insert(key []byte, value interface{}) {
c.assertReadWrite()
c.insert(&Entry{
Key: key,
Value: value,
hash: c.hash(key),
})
} | go | func (c *Ctrie) Insert(key []byte, value interface{}) {
c.assertReadWrite()
c.insert(&Entry{
Key: key,
Value: value,
hash: c.hash(key),
})
} | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/trie/ctrie/ctrie.go#L287-L294 | train |
Workiva/go-datastructures | trie/ctrie/ctrie.go | Lookup | func (c *Ctrie) Lookup(key []byte) (interface{}, bool) {
return c.lookup(&Entry{Key: key, hash: c.hash(key)})
} | go | func (c *Ctrie) Lookup(key []byte) (interface{}, bool) {
return c.lookup(&Entry{Key: key, hash: c.hash(key)})
} | [
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Workiva/go-datastructures | trie/ctrie/ctrie.go | Remove | func (c *Ctrie) Remove(key []byte) (interface{}, bool) {
c.assertReadWrite()
return c.remove(&Entry{Key: key, hash: c.hash(key)})
} | go | func (c *Ctrie) Remove(key []byte) (interface{}, bool) {
c.assertReadWrite()
return c.remove(&Entry{Key: key, hash: c.hash(key)})
} | [
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Workiva/go-datastructures | trie/ctrie/ctrie.go | snapshot | func (c *Ctrie) snapshot(readOnly bool) *Ctrie {
if readOnly && c.readOnly {
return c
}
for {
root := c.readRoot()
main := gcasRead(root, c)
if c.rdcssRoot(root, main, root.copyToGen(&generation{}, c)) {
if readOnly {
// For a read-only snapshot, we can share the old generation
// root.
return... | go | func (c *Ctrie) snapshot(readOnly bool) *Ctrie {
if readOnly && c.readOnly {
return c
}
for {
root := c.readRoot()
main := gcasRead(root, c)
if c.rdcssRoot(root, main, root.copyToGen(&generation{}, c)) {
if readOnly {
// For a read-only snapshot, we can share the old generation
// root.
return... | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/trie/ctrie/ctrie.go#L322-L340 | train |
Workiva/go-datastructures | trie/ctrie/ctrie.go | Clear | func (c *Ctrie) Clear() {
for {
root := c.readRoot()
gen := &generation{}
newRoot := &iNode{
main: &mainNode{cNode: &cNode{array: make([]branch, 0), gen: gen}},
gen: gen,
}
if c.rdcssRoot(root, gcasRead(root, c), newRoot) {
return
}
}
} | go | func (c *Ctrie) Clear() {
for {
root := c.readRoot()
gen := &generation{}
newRoot := &iNode{
main: &mainNode{cNode: &cNode{array: make([]branch, 0), gen: gen}},
gen: gen,
}
if c.rdcssRoot(root, gcasRead(root, c), newRoot) {
return
}
}
} | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/trie/ctrie/ctrie.go#L343-L355 | train |
Workiva/go-datastructures | trie/ctrie/ctrie.go | Iterator | func (c *Ctrie) Iterator(cancel <-chan struct{}) <-chan *Entry {
ch := make(chan *Entry)
snapshot := c.ReadOnlySnapshot()
go func() {
snapshot.traverse(snapshot.readRoot(), ch, cancel)
close(ch)
}()
return ch
} | go | func (c *Ctrie) Iterator(cancel <-chan struct{}) <-chan *Entry {
ch := make(chan *Entry)
snapshot := c.ReadOnlySnapshot()
go func() {
snapshot.traverse(snapshot.readRoot(), ch, cancel)
close(ch)
}()
return ch
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Workiva/go-datastructures | trie/ctrie/ctrie.go | Size | func (c *Ctrie) Size() uint {
// TODO: The size operation can be optimized further by caching the size
// information in main nodes of a read-only Ctrie – this reduces the
// amortized complexity of the size operation to O(1) because the size
// computation is amortized across the update operations that occurred
/... | go | func (c *Ctrie) Size() uint {
// TODO: The size operation can be optimized further by caching the size
// information in main nodes of a read-only Ctrie – this reduces the
// amortized complexity of the size operation to O(1) because the size
// computation is amortized across the update operations that occurred
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/trie/ctrie/ctrie.go#L372-L383 | train |
Workiva/go-datastructures | trie/ctrie/ctrie.go | iinsert | func (c *Ctrie) iinsert(i *iNode, entry *Entry, lev uint, parent *iNode, startGen *generation) bool {
// Linearization point.
main := gcasRead(i, c)
switch {
case main.cNode != nil:
cn := main.cNode
flag, pos := flagPos(entry.hash, lev, cn.bmp)
if cn.bmp&flag == 0 {
// If the relevant bit is not in the bit... | go | func (c *Ctrie) iinsert(i *iNode, entry *Entry, lev uint, parent *iNode, startGen *generation) bool {
// Linearization point.
main := gcasRead(i, c)
switch {
case main.cNode != nil:
cn := main.cNode
flag, pos := flagPos(entry.hash, lev, cn.bmp)
if cn.bmp&flag == 0 {
// If the relevant bit is not in the bit... | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/trie/ctrie/ctrie.go#L464-L532 | train |
Workiva/go-datastructures | trie/ctrie/ctrie.go | ilookup | func (c *Ctrie) ilookup(i *iNode, entry *Entry, lev uint, parent *iNode, startGen *generation) (interface{}, bool, bool) {
// Linearization point.
main := gcasRead(i, c)
switch {
case main.cNode != nil:
cn := main.cNode
flag, pos := flagPos(entry.hash, lev, cn.bmp)
if cn.bmp&flag == 0 {
// If the bitmap do... | go | func (c *Ctrie) ilookup(i *iNode, entry *Entry, lev uint, parent *iNode, startGen *generation) (interface{}, bool, bool) {
// Linearization point.
main := gcasRead(i, c)
switch {
case main.cNode != nil:
cn := main.cNode
flag, pos := flagPos(entry.hash, lev, cn.bmp)
if cn.bmp&flag == 0 {
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Workiva/go-datastructures | trie/ctrie/ctrie.go | iremove | func (c *Ctrie) iremove(i *iNode, entry *Entry, lev uint, parent *iNode, startGen *generation) (interface{}, bool, bool) {
// Linearization point.
main := gcasRead(i, c)
switch {
case main.cNode != nil:
cn := main.cNode
flag, pos := flagPos(entry.hash, lev, cn.bmp)
if cn.bmp&flag == 0 {
// If the bitmap do... | go | func (c *Ctrie) iremove(i *iNode, entry *Entry, lev uint, parent *iNode, startGen *generation) (interface{}, bool, bool) {
// Linearization point.
main := gcasRead(i, c)
switch {
case main.cNode != nil:
cn := main.cNode
flag, pos := flagPos(entry.hash, lev, cn.bmp)
if cn.bmp&flag == 0 {
// If the bitmap do... | [
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"... | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/trie/ctrie/ctrie.go#L594-L665 | train |
Workiva/go-datastructures | trie/ctrie/ctrie.go | toContracted | func toContracted(cn *cNode, lev uint) *mainNode {
if lev > 0 && len(cn.array) == 1 {
branch := cn.array[0]
switch branch.(type) {
case *sNode:
return entomb(branch.(*sNode))
default:
return &mainNode{cNode: cn}
}
}
return &mainNode{cNode: cn}
} | go | func toContracted(cn *cNode, lev uint) *mainNode {
if lev > 0 && len(cn.array) == 1 {
branch := cn.array[0]
switch branch.(type) {
case *sNode:
return entomb(branch.(*sNode))
default:
return &mainNode{cNode: cn}
}
}
return &mainNode{cNode: cn}
} | [
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// with at least one branch. If a given C-Node has only a single S-node below
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... | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/trie/ctrie/ctrie.go#L671-L682 | train |
Workiva/go-datastructures | trie/ctrie/ctrie.go | toCompressed | func toCompressed(cn *cNode, lev uint) *mainNode {
tmpArray := make([]branch, len(cn.array))
for i, sub := range cn.array {
switch sub.(type) {
case *iNode:
inode := sub.(*iNode)
mainPtr := (*unsafe.Pointer)(unsafe.Pointer(&inode.main))
main := (*mainNode)(atomic.LoadPointer(mainPtr))
tmpArray[i] = re... | go | func toCompressed(cn *cNode, lev uint) *mainNode {
tmpArray := make([]branch, len(cn.array))
for i, sub := range cn.array {
switch sub.(type) {
case *iNode:
inode := sub.(*iNode)
mainPtr := (*unsafe.Pointer)(unsafe.Pointer(&inode.main))
main := (*mainNode)(atomic.LoadPointer(mainPtr))
tmpArray[i] = re... | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/trie/ctrie/ctrie.go#L685-L702 | train |
Workiva/go-datastructures | trie/ctrie/ctrie.go | gcas | func gcas(in *iNode, old, n *mainNode, ct *Ctrie) bool {
prevPtr := (*unsafe.Pointer)(unsafe.Pointer(&n.prev))
atomic.StorePointer(prevPtr, unsafe.Pointer(old))
if atomic.CompareAndSwapPointer(
(*unsafe.Pointer)(unsafe.Pointer(&in.main)),
unsafe.Pointer(old), unsafe.Pointer(n)) {
gcasComplete(in, n, ct)
retu... | go | func gcas(in *iNode, old, n *mainNode, ct *Ctrie) bool {
prevPtr := (*unsafe.Pointer)(unsafe.Pointer(&n.prev))
atomic.StorePointer(prevPtr, unsafe.Pointer(old))
if atomic.CompareAndSwapPointer(
(*unsafe.Pointer)(unsafe.Pointer(&in.main)),
unsafe.Pointer(old), unsafe.Pointer(n)) {
gcasComplete(in, n, ct)
retu... | [
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Workiva/go-datastructures | trie/ctrie/ctrie.go | gcasRead | func gcasRead(in *iNode, ctrie *Ctrie) *mainNode {
m := (*mainNode)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(&in.main))))
prev := (*mainNode)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(&m.prev))))
if prev == nil {
return m
}
return gcasComplete(in, m, ctrie)
} | go | func gcasRead(in *iNode, ctrie *Ctrie) *mainNode {
m := (*mainNode)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(&in.main))))
prev := (*mainNode)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(&m.prev))))
if prev == nil {
return m
}
return gcasComplete(in, m, ctrie)
} | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/trie/ctrie/ctrie.go#L789-L796 | train |
Workiva/go-datastructures | trie/ctrie/ctrie.go | gcasComplete | func gcasComplete(i *iNode, m *mainNode, ctrie *Ctrie) *mainNode {
for {
if m == nil {
return nil
}
prev := (*mainNode)(atomic.LoadPointer(
(*unsafe.Pointer)(unsafe.Pointer(&m.prev))))
root := ctrie.rdcssReadRoot(true)
if prev == nil {
return m
}
if prev.failed != nil {
// Signals GCAS failu... | go | func gcasComplete(i *iNode, m *mainNode, ctrie *Ctrie) *mainNode {
for {
if m == nil {
return nil
}
prev := (*mainNode)(atomic.LoadPointer(
(*unsafe.Pointer)(unsafe.Pointer(&m.prev))))
root := ctrie.rdcssReadRoot(true)
if prev == nil {
return m
}
if prev.failed != nil {
// Signals GCAS failu... | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/trie/ctrie/ctrie.go#L799-L841 | train |
Workiva/go-datastructures | trie/ctrie/ctrie.go | rdcssReadRoot | func (c *Ctrie) rdcssReadRoot(abort bool) *iNode {
r := (*iNode)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(&c.root))))
if r.rdcss != nil {
return c.rdcssComplete(abort)
}
return r
} | go | func (c *Ctrie) rdcssReadRoot(abort bool) *iNode {
r := (*iNode)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(&c.root))))
if r.rdcss != nil {
return c.rdcssComplete(abort)
}
return r
} | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/trie/ctrie/ctrie.go#L862-L868 | train |
Workiva/go-datastructures | trie/ctrie/ctrie.go | rdcssRoot | func (c *Ctrie) rdcssRoot(old *iNode, expected *mainNode, nv *iNode) bool {
desc := &iNode{
rdcss: &rdcssDescriptor{
old: old,
expected: expected,
nv: nv,
},
}
if c.casRoot(old, desc) {
c.rdcssComplete(false)
return atomic.LoadInt32(&desc.rdcss.committed) == 1
}
return false
} | go | func (c *Ctrie) rdcssRoot(old *iNode, expected *mainNode, nv *iNode) bool {
desc := &iNode{
rdcss: &rdcssDescriptor{
old: old,
expected: expected,
nv: nv,
},
}
if c.casRoot(old, desc) {
c.rdcssComplete(false)
return atomic.LoadInt32(&desc.rdcss.committed) == 1
}
return false
} | [
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Workiva/go-datastructures | trie/ctrie/ctrie.go | rdcssComplete | func (c *Ctrie) rdcssComplete(abort bool) *iNode {
for {
r := (*iNode)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(&c.root))))
if r.rdcss == nil {
return r
}
var (
desc = r.rdcss
ov = desc.old
exp = desc.expected
nv = desc.nv
)
if abort {
if c.casRoot(r, ov) {
return ov... | go | func (c *Ctrie) rdcssComplete(abort bool) *iNode {
for {
r := (*iNode)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(&c.root))))
if r.rdcss == nil {
return r
}
var (
desc = r.rdcss
ov = desc.old
exp = desc.expected
nv = desc.nv
)
if abort {
if c.casRoot(r, ov) {
return ov... | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/trie/ctrie/ctrie.go#L889-L924 | train |
Workiva/go-datastructures | trie/ctrie/ctrie.go | casRoot | func (c *Ctrie) casRoot(ov, nv *iNode) bool {
c.assertReadWrite()
return atomic.CompareAndSwapPointer(
(*unsafe.Pointer)(unsafe.Pointer(&c.root)), unsafe.Pointer(ov), unsafe.Pointer(nv))
} | go | func (c *Ctrie) casRoot(ov, nv *iNode) bool {
c.assertReadWrite()
return atomic.CompareAndSwapPointer(
(*unsafe.Pointer)(unsafe.Pointer(&c.root)), unsafe.Pointer(ov), unsafe.Pointer(nv))
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/trie/ctrie/ctrie.go#L927-L931 | train |
Workiva/go-datastructures | btree/immutable/node.go | copy | func (n *Node) copy() *Node {
cpValues := make([]interface{}, len(n.ChildValues))
copy(cpValues, n.ChildValues)
cpKeys := make(Keys, len(n.ChildKeys))
copy(cpKeys, n.ChildKeys)
return &Node{
ID: newID(),
IsLeaf: n.IsLeaf,
ChildValues: cpValues,
ChildKeys: cpKeys,
}
} | go | func (n *Node) copy() *Node {
cpValues := make([]interface{}, len(n.ChildValues))
copy(cpValues, n.ChildValues)
cpKeys := make(Keys, len(n.ChildKeys))
copy(cpKeys, n.ChildKeys)
return &Node{
ID: newID(),
IsLeaf: n.IsLeaf,
ChildValues: cpValues,
ChildKeys: cpKeys,
}
} | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/btree/immutable/node.go#L127-L139 | train |
Workiva/go-datastructures | btree/immutable/node.go | searchKey | func (n *Node) searchKey(comparator Comparator, value interface{}) (*Key, int) {
i := n.search(comparator, value)
if n.IsLeaf && i == len(n.ChildValues) { // not found
return nil, i
}
if n.IsLeaf { // equal number of ids and values
return n.ChildKeys[i], i
}
if i == len(n.ChildValues) { // we need to go to... | go | func (n *Node) searchKey(comparator Comparator, value interface{}) (*Key, int) {
i := n.search(comparator, value)
if n.IsLeaf && i == len(n.ChildValues) { // not found
return nil, i
}
if n.IsLeaf { // equal number of ids and values
return n.ChildKeys[i], i
}
if i == len(n.ChildValues) { // we need to go to... | [
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Workiva/go-datastructures | btree/immutable/node.go | insert | func (n *Node) insert(comparator Comparator, key *Key) *Key {
var overwrittenKey *Key
i := n.search(comparator, key.Value)
if i == len(n.ChildValues) {
n.ChildValues = append(n.ChildValues, key.Value)
} else {
if n.ChildValues[i] == key.Value {
overwrittenKey = n.ChildKeys[i]
n.ChildKeys[i] = key
retur... | go | func (n *Node) insert(comparator Comparator, key *Key) *Key {
var overwrittenKey *Key
i := n.search(comparator, key.Value)
if i == len(n.ChildValues) {
n.ChildValues = append(n.ChildValues, key.Value)
} else {
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n.ChildKeys[i] = key
retur... | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/btree/immutable/node.go#L165-L191 | train |
Workiva/go-datastructures | btree/immutable/node.go | delete | func (n *Node) delete(comparator Comparator, key *Key) *Key {
i := n.search(comparator, key.Value)
if i == len(n.ChildValues) {
return nil
}
n.deleteValueAt(i)
n.deleteKeyAt(i)
return key
} | go | func (n *Node) delete(comparator Comparator, key *Key) *Key {
i := n.search(comparator, key.Value)
if i == len(n.ChildValues) {
return nil
}
n.deleteValueAt(i)
n.deleteKeyAt(i)
return key
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/btree/immutable/node.go#L195-L205 | train |
Workiva/go-datastructures | btree/immutable/node.go | replaceKeyAt | func (n *Node) replaceKeyAt(key *Key, i int) {
n.ChildKeys[i] = key
} | go | func (n *Node) replaceKeyAt(key *Key, i int) {
n.ChildKeys[i] = key
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Workiva/go-datastructures | btree/immutable/node.go | iter | func (n *Node) iter(comparator Comparator, start, stop interface{}) iterator {
pointer := n.search(comparator, start)
pointer--
return &sliceIterator{
stop: stop,
n: n,
pointer: pointer,
comparator: comparator,
}
} | go | func (n *Node) iter(comparator Comparator, start, stop interface{}) iterator {
pointer := n.search(comparator, start)
pointer--
return &sliceIterator{
stop: stop,
n: n,
pointer: pointer,
comparator: comparator,
}
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/btree/immutable/node.go#L256-L265 | train |
Workiva/go-datastructures | btree/immutable/node.go | splitAt | func (n *Node) splitAt(i int) (interface{}, *Node) {
if n.IsLeaf {
return n.splitLeafAt(i)
}
return n.splitInternalAt(i)
} | go | func (n *Node) splitAt(i int) (interface{}, *Node) {
if n.IsLeaf {
return n.splitLeafAt(i)
}
return n.splitInternalAt(i)
} | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/btree/immutable/node.go#L352-L358 | train |
Workiva/go-datastructures | btree/immutable/node.go | nodeFromBytes | func nodeFromBytes(t *Tr, data []byte) (*Node, error) {
n := &Node{}
_, err := n.UnmarshalMsg(data)
if err != nil {
panic(err)
return nil, err
}
return n, nil
} | go | func nodeFromBytes(t *Tr, data []byte) (*Node, error) {
n := &Node{}
_, err := n.UnmarshalMsg(data)
if err != nil {
panic(err)
return nil, err
}
return n, nil
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Workiva/go-datastructures | bitarray/encoding.go | Marshal | func Marshal(ba BitArray) ([]byte, error) {
if eba, ok := ba.(*bitArray); ok {
return eba.Serialize()
} else if sba, ok := ba.(*sparseBitArray); ok {
return sba.Serialize()
} else {
return nil, errors.New("not a valid BitArray")
}
} | go | func Marshal(ba BitArray) ([]byte, error) {
if eba, ok := ba.(*bitArray); ok {
return eba.Serialize()
} else if sba, ok := ba.(*sparseBitArray); ok {
return sba.Serialize()
} else {
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Workiva/go-datastructures | bitarray/encoding.go | Uint64FromBytes | func Uint64FromBytes(b []byte) (uint64, int) {
if len(b) < 8 {
return 0, -1
}
val := uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 |
uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
return val, 8
} | go | func Uint64FromBytes(b []byte) (uint64, int) {
if len(b) < 8 {
return 0, -1
}
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Workiva/go-datastructures | bitarray/encoding.go | Deserialize | func (ret *sparseBitArray) Deserialize(incoming []byte) error {
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Workiva/go-datastructures | bitarray/encoding.go | Serialize | func (ba *bitArray) Serialize() ([]byte, error) {
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Workiva/go-datastructures | bitarray/encoding.go | Deserialize | func (ret *bitArray) Deserialize(incoming []byte) error {
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Workiva/go-datastructures | btree/plus/btree.go | Iter | func (tree *btree) Iter(key Key) Iterator {
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}
return tree.root.find(key)
} | go | func (tree *btree) Iter(key Key) Iterator {
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ptree.checkAndRun(ga)
ga.completer.Wait()
return ga.result
} | go | func (ptree *ptree) Get(keys ...common.Comparator) common.Comparators {
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ptree.checkAndRun(aa)
aa.completer.Wait()
return cmps
} | go | func (ptree *ptree) Query(start, stop common.Comparator) common.Comparators {
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cmps = append(cmps, cmp)
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Workiva/go-datastructures | rtree/hilbert/hilbert.go | chunkRectangles | func chunkRectangles(slice rtree.Rectangles, numParts int64) []rtree.Rectangles {
parts := make([]rtree.Rectangles, numParts)
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parts[i] = slice[i*int64(len(slice))/numParts : (i+1)*int64(len(slice))/numParts]
}
return parts
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parts := make([]rtree.Rectangles, numParts)
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Workiva/go-datastructures | sort/sort.go | MultithreadedSortComparators | func MultithreadedSortComparators(comparators Comparators) Comparators {
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/rtree/hilbert/tree.go#L403-L408 | train |
Workiva/go-datastructures | list/persistent.go | Length | func (l *list) Length() uint {
curr := l
length := uint(0)
for {
length += 1
tail, _ := curr.Tail()
if tail.IsEmpty() {
return length
}
curr = tail.(*list)
}
} | go | func (l *list) Length() uint {
curr := l
length := uint(0)
for {
length += 1
tail, _ := curr.Tail()
if tail.IsEmpty() {
return length
}
curr = tail.(*list)
}
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Workiva/go-datastructures | list/persistent.go | Get | func (l *list) Get(pos uint) (interface{}, bool) {
if pos == 0 {
return l.head, true
}
return l.tail.Get(pos - 1)
} | go | func (l *list) Get(pos uint) (interface{}, bool) {
if pos == 0 {
return l.head, true
}
return l.tail.Get(pos - 1)
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Workiva/go-datastructures | list/persistent.go | Remove | func (l *list) Remove(pos uint) (PersistentList, error) {
if pos == 0 {
nl, _ := l.Tail()
return nl, nil
}
nl, err := l.tail.Remove(pos - 1)
if err != nil {
return nil, err
}
return &list{l.head, nl}, nil
} | go | func (l *list) Remove(pos uint) (PersistentList, error) {
if pos == 0 {
nl, _ := l.Tail()
return nl, nil
}
nl, err := l.tail.Remove(pos - 1)
if err != nil {
return nil, err
}
return &list{l.head, nl}, nil
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Workiva/go-datastructures | list/persistent.go | Find | func (l *list) Find(pred func(interface{}) bool) (interface{}, bool) {
if pred(l.head) {
return l.head, true
}
return l.tail.Find(pred)
} | go | func (l *list) Find(pred func(interface{}) bool) (interface{}, bool) {
if pred(l.head) {
return l.head, true
}
return l.tail.Find(pred)
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Workiva/go-datastructures | list/persistent.go | FindIndex | func (l *list) FindIndex(pred func(interface{}) bool) int {
curr := l
idx := 0
for {
if pred(curr.head) {
return idx
}
tail, _ := curr.Tail()
if tail.IsEmpty() {
return -1
}
curr = tail.(*list)
idx += 1
}
} | go | func (l *list) FindIndex(pred func(interface{}) bool) int {
curr := l
idx := 0
for {
if pred(curr.head) {
return idx
}
tail, _ := curr.Tail()
if tail.IsEmpty() {
return -1
}
curr = tail.(*list)
idx += 1
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Workiva/go-datastructures | list/persistent.go | Map | func (l *list) Map(f func(interface{}) interface{}) []interface{} {
return append(l.tail.Map(f), f(l.head))
} | go | func (l *list) Map(f func(interface{}) interface{}) []interface{} {
return append(l.tail.Map(f), f(l.head))
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Workiva/go-datastructures | numerics/hilbert/hilbert.go | Encode | func Encode(x, y int32) int64 {
var rx, ry int32
var d int64
for s := int32(n / 2); s > 0; s /= 2 {
rx = boolToInt(x&s > 0)
ry = boolToInt(y&s > 0)
d += int64(int64(s) * int64(s) * int64(((3 * rx) ^ ry)))
rotate(s, rx, ry, &x, &y)
}
return d
} | go | func Encode(x, y int32) int64 {
var rx, ry int32
var d int64
for s := int32(n / 2); s > 0; s /= 2 {
rx = boolToInt(x&s > 0)
ry = boolToInt(y&s > 0)
d += int64(int64(s) * int64(s) * int64(((3 * rx) ^ ry)))
rotate(s, rx, ry, &x, &y)
}
return d
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Workiva/go-datastructures | numerics/hilbert/hilbert.go | Decode | func Decode(h int64) (int32, int32) {
var ry, rx int64
var x, y int32
t := h
for s := int64(1); s < int64(n); s *= 2 {
rx = 1 & (t / 2)
ry = 1 & (t ^ rx)
rotate(int32(s), int32(rx), int32(ry), &x, &y)
x += int32(s * rx)
y += int32(s * ry)
t /= 4
}
return x, y
} | go | func Decode(h int64) (int32, int32) {
var ry, rx int64
var x, y int32
t := h
for s := int64(1); s < int64(n); s *= 2 {
rx = 1 & (t / 2)
ry = 1 & (t ^ rx)
rotate(int32(s), int32(rx), int32(ry), &x, &y)
x += int32(s * rx)
y += int32(s * ry)
t /= 4
}
return x, y
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Workiva/go-datastructures | trie/yfast/entries.go | insert | func (entries *Entries) insert(entry Entry) Entry {
i := entries.search(entry.Key())
if i == len(*entries) {
*entries = append(*entries, entry)
return nil
}
if (*entries)[i].Key() == entry.Key() {
oldEntry := (*entries)[i]
(*entries)[i] = entry
return oldEntry
}
(*entries) = append(*entries, nil)
co... | go | func (entries *Entries) insert(entry Entry) Entry {
i := entries.search(entry.Key())
if i == len(*entries) {
*entries = append(*entries, entry)
return nil
}
if (*entries)[i].Key() == entry.Key() {
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}
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Workiva/go-datastructures | trie/yfast/entries.go | delete | func (entries *Entries) delete(key uint64) Entry {
i := entries.search(key)
if i == len(*entries) { // key not found
return nil
}
if (*entries)[i].Key() != key {
return nil
}
oldEntry := (*entries)[i]
copy((*entries)[i:], (*entries)[i+1:])
(*entries)[len(*entries)-1] = nil // GC
*entries = (*entries)[:le... | go | func (entries *Entries) delete(key uint64) Entry {
i := entries.search(key)
if i == len(*entries) { // key not found
return nil
}
if (*entries)[i].Key() != key {
return nil
}
oldEntry := (*entries)[i]
copy((*entries)[i:], (*entries)[i+1:])
(*entries)[len(*entries)-1] = nil // GC
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Workiva/go-datastructures | trie/yfast/entries.go | max | func (entries Entries) max() (uint64, bool) {
if len(entries) == 0 {
return 0, false
}
return entries[len(entries)-1].Key(), true
} | go | func (entries Entries) max() (uint64, bool) {
if len(entries) == 0 {
return 0, false
}
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Workiva/go-datastructures | trie/yfast/entries.go | get | func (entries Entries) get(key uint64) Entry {
i := entries.search(key)
if i == len(entries) {
return nil
}
if entries[i].Key() == key {
return entries[i]
}
return nil
} | go | func (entries Entries) get(key uint64) Entry {
i := entries.search(key)
if i == len(entries) {
return nil
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if entries[i].Key() == key {
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}
return nil
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Workiva/go-datastructures | trie/yfast/entries.go | successor | func (entries Entries) successor(key uint64) (Entry, int) {
i := entries.search(key)
if i == len(entries) {
return nil, -1
}
return entries[i], i
} | go | func (entries Entries) successor(key uint64) (Entry, int) {
i := entries.search(key)
if i == len(entries) {
return nil, -1
}
return entries[i], i
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Workiva/go-datastructures | trie/yfast/entries.go | predecessor | func (entries Entries) predecessor(key uint64) (Entry, int) {
if len(entries) == 0 {
return nil, -1
}
i := entries.search(key)
if i == len(entries) {
return entries[i-1], i - 1
}
if entries[i].Key() == key {
return entries[i], i
}
i--
if i < 0 {
return nil, -1
}
return entries[i], i
} | go | func (entries Entries) predecessor(key uint64) (Entry, int) {
if len(entries) == 0 {
return nil, -1
}
i := entries.search(key)
if i == len(entries) {
return entries[i-1], i - 1
}
if entries[i].Key() == key {
return entries[i], i
}
i--
if i < 0 {
return nil, -1
}
return entries[i], i
} | [
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Workiva/go-datastructures | queue/priority_queue.go | Put | func (pq *PriorityQueue) Put(items ...Item) error {
if len(items) == 0 {
return nil
}
pq.lock.Lock()
defer pq.lock.Unlock()
if pq.disposed {
return ErrDisposed
}
for _, item := range items {
if pq.allowDuplicates {
pq.items.push(item)
} else if _, ok := pq.itemMap[item]; !ok {
pq.itemMap[item] =... | go | func (pq *PriorityQueue) Put(items ...Item) error {
if len(items) == 0 {
return nil
}
pq.lock.Lock()
defer pq.lock.Unlock()
if pq.disposed {
return ErrDisposed
}
for _, item := range items {
if pq.allowDuplicates {
pq.items.push(item)
} else if _, ok := pq.itemMap[item]; !ok {
pq.itemMap[item] =... | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/queue/priority_queue.go#L118-L154 | train |
Workiva/go-datastructures | queue/priority_queue.go | Get | func (pq *PriorityQueue) Get(number int) ([]Item, error) {
if number < 1 {
return nil, nil
}
pq.lock.Lock()
if pq.disposed {
pq.lock.Unlock()
return nil, ErrDisposed
}
var items []Item
// Remove references to popped items.
deleteItems := func(items []Item) {
for _, item := range items {
delete(pq... | go | func (pq *PriorityQueue) Get(number int) ([]Item, error) {
if number < 1 {
return nil, nil
}
pq.lock.Lock()
if pq.disposed {
pq.lock.Unlock()
return nil, ErrDisposed
}
var items []Item
// Remove references to popped items.
deleteItems := func(items []Item) {
for _, item := range items {
delete(pq... | [
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Workiva/go-datastructures | queue/priority_queue.go | Peek | func (pq *PriorityQueue) Peek() Item {
pq.lock.Lock()
defer pq.lock.Unlock()
if len(pq.items) > 0 {
return pq.items[0]
}
return nil
} | go | func (pq *PriorityQueue) Peek() Item {
pq.lock.Lock()
defer pq.lock.Unlock()
if len(pq.items) > 0 {
return pq.items[0]
}
return nil
} | [
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Workiva/go-datastructures | queue/priority_queue.go | Empty | func (pq *PriorityQueue) Empty() bool {
pq.lock.Lock()
defer pq.lock.Unlock()
return len(pq.items) == 0
} | go | func (pq *PriorityQueue) Empty() bool {
pq.lock.Lock()
defer pq.lock.Unlock()
return len(pq.items) == 0
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Workiva/go-datastructures | queue/priority_queue.go | Len | func (pq *PriorityQueue) Len() int {
pq.lock.Lock()
defer pq.lock.Unlock()
return len(pq.items)
} | go | func (pq *PriorityQueue) Len() int {
pq.lock.Lock()
defer pq.lock.Unlock()
return len(pq.items)
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/queue/priority_queue.go#L225-L230 | train |
Workiva/go-datastructures | queue/priority_queue.go | Disposed | func (pq *PriorityQueue) Disposed() bool {
pq.disposeLock.Lock()
defer pq.disposeLock.Unlock()
return pq.disposed
} | go | func (pq *PriorityQueue) Disposed() bool {
pq.disposeLock.Lock()
defer pq.disposeLock.Unlock()
return pq.disposed
} | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/queue/priority_queue.go#L233-L238 | train |
Workiva/go-datastructures | queue/priority_queue.go | NewPriorityQueue | func NewPriorityQueue(hint int, allowDuplicates bool) *PriorityQueue {
return &PriorityQueue{
items: make(priorityItems, 0, hint),
itemMap: make(map[Item]struct{}, hint),
allowDuplicates: allowDuplicates,
}
} | go | func NewPriorityQueue(hint int, allowDuplicates bool) *PriorityQueue {
return &PriorityQueue{
items: make(priorityItems, 0, hint),
itemMap: make(map[Item]struct{}, hint),
allowDuplicates: allowDuplicates,
}
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/queue/priority_queue.go#L260-L266 | train |
Workiva/go-datastructures | btree/immutable/rt.go | contextOrCachedNode | func (t *Tr) contextOrCachedNode(id ID, cache bool) (*Node, error) {
if t.context != nil {
n := t.context.getNode(id)
if n != nil {
return n, nil
}
}
return t.cacher.getNode(t, id, cache)
} | go | func (t *Tr) contextOrCachedNode(id ID, cache bool) (*Node, error) {
if t.context != nil {
n := t.context.getNode(id)
if n != nil {
return n, nil
}
}
return t.cacher.getNode(t, id, cache)
} | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/btree/immutable/rt.go#L80-L89 | train |
Workiva/go-datastructures | btree/immutable/rt.go | toBytes | func (t *Tr) toBytes() []byte {
buf, err := t.MarshalMsg(nil)
if err != nil {
panic(`unable to encode tree`)
}
return buf
} | go | func (t *Tr) toBytes() []byte {
buf, err := t.MarshalMsg(nil)
if err != nil {
panic(`unable to encode tree`)
}
return buf
} | [
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Workiva/go-datastructures | btree/immutable/rt.go | commit | func (t *Tr) commit() []*Payload {
items := make([]*Payload, 0, len(t.context.seenNodes))
for _, n := range t.context.seenNodes {
n.ChildValues, n.ChildKeys = n.flatten()
buf, err := n.MarshalMsg(nil)
if err != nil {
panic(`unable to encode node`)
}
n.ChildValues, n.ChildKeys = nil, nil
item := &Paylo... | go | func (t *Tr) commit() []*Payload {
items := make([]*Payload, 0, len(t.context.seenNodes))
for _, n := range t.context.seenNodes {
n.ChildValues, n.ChildKeys = n.flatten()
buf, err := n.MarshalMsg(nil)
if err != nil {
panic(`unable to encode node`)
}
n.ChildValues, n.ChildKeys = nil, nil
item := &Paylo... | [
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Workiva/go-datastructures | btree/immutable/rt.go | Load | func Load(p Persister, id []byte, comparator Comparator) (ReadableTree, error) {
items, err := p.Load(id)
if err != nil {
return nil, err
}
if len(items) == 0 || items[0] == nil {
return nil, ErrTreeNotFound
}
rt, err := treeFromBytes(p, items[0].Payload, comparator)
if err != nil {
return nil, err
}
... | go | func Load(p Persister, id []byte, comparator Comparator) (ReadableTree, error) {
items, err := p.Load(id)
if err != nil {
return nil, err
}
if len(items) == 0 || items[0] == nil {
return nil, ErrTreeNotFound
}
rt, err := treeFromBytes(p, items[0].Payload, comparator)
if err != nil {
return nil, err
}
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Workiva/go-datastructures | bitarray/bitmap.go | PopCount | func (b Bitmap32) PopCount() int {
// http://graphics.stanford.edu/~seander/bithacks.html#CountBitsSetParallel
b -= (b >> 1) & 0x55555555
b = (b>>2)&0x33333333 + b&0x33333333
b += b >> 4
b &= 0x0f0f0f0f
b *= 0x01010101
return int(byte(b >> 24))
} | go | func (b Bitmap32) PopCount() int {
// http://graphics.stanford.edu/~seander/bithacks.html#CountBitsSetParallel
b -= (b >> 1) & 0x55555555
b = (b>>2)&0x33333333 + b&0x33333333
b += b >> 4
b &= 0x0f0f0f0f
b *= 0x01010101
return int(byte(b >> 24))
} | [
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Workiva/go-datastructures | bitarray/bitmap.go | PopCount | func (b Bitmap64) PopCount() int {
// http://graphics.stanford.edu/~seander/bithacks.html#CountBitsSetParallel
b -= (b >> 1) & 0x5555555555555555
b = (b>>2)&0x3333333333333333 + b&0x3333333333333333
b += b >> 4
b &= 0x0f0f0f0f0f0f0f0f
b *= 0x0101010101010101
return int(byte(b >> 56))
} | go | func (b Bitmap64) PopCount() int {
// http://graphics.stanford.edu/~seander/bithacks.html#CountBitsSetParallel
b -= (b >> 1) & 0x5555555555555555
b = (b>>2)&0x3333333333333333 + b&0x3333333333333333
b += b >> 4
b &= 0x0f0f0f0f0f0f0f0f
b *= 0x0101010101010101
return int(byte(b >> 56))
} | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/bitarray/bitmap.go#L79-L87 | train |
Workiva/go-datastructures | btree/immutable/cacher.go | clear | func (c *cacher) clear() {
c.lock.Lock()
defer c.lock.Unlock()
c.cache = make(map[string]*futures.Future, 10)
} | go | func (c *cacher) clear() {
c.lock.Lock()
defer c.lock.Unlock()
c.cache = make(map[string]*futures.Future, 10)
} | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/btree/immutable/cacher.go#L54-L59 | train |
Workiva/go-datastructures | btree/immutable/cacher.go | deleteFromCache | func (c *cacher) deleteFromCache(id ID) {
c.lock.Lock()
defer c.lock.Unlock()
delete(c.cache, string(id))
} | go | func (c *cacher) deleteFromCache(id ID) {
c.lock.Lock()
defer c.lock.Unlock()
delete(c.cache, string(id))
} | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/btree/immutable/cacher.go#L63-L68 | train |
Workiva/go-datastructures | btree/immutable/cacher.go | getNode | func (c *cacher) getNode(t *Tr, key ID, useCache bool) (*Node, error) {
if !useCache {
return c.loadNode(t, key)
}
c.lock.Lock()
future, ok := c.cache[string(key)]
if ok {
c.lock.Unlock()
ifc, err := future.GetResult()
if err != nil {
return nil, err
}
return ifc.(*Node), nil
}
completer := mak... | go | func (c *cacher) getNode(t *Tr, key ID, useCache bool) (*Node, error) {
if !useCache {
return c.loadNode(t, key)
}
c.lock.Lock()
future, ok := c.cache[string(key)]
if ok {
c.lock.Unlock()
ifc, err := future.GetResult()
if err != nil {
return nil, err
}
return ifc.(*Node), nil
}
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// All found nodes are cached so subsequent calls should be faster than
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... | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/btree/immutable/cacher.go#L88-L124 | train |
Workiva/go-datastructures | btree/immutable/cacher.go | newCacher | func newCacher(persister Persister) *cacher {
return &cacher{
persister: persister,
cache: make(map[string]*futures.Future, 10),
}
} | go | func newCacher(persister Persister) *cacher {
return &cacher{
persister: persister,
cache: make(map[string]*futures.Future, 10),
}
} | [
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/btree/immutable/cacher.go#L128-L133 | train |
Workiva/go-datastructures | trie/dtrie/node.go | get | func get(n *node, keyHash uint32, key interface{}) Entry {
index := uint(mask(keyHash, n.level))
if n.dataMap.GetBit(index) {
return n.entries[index]
}
if n.nodeMap.GetBit(index) {
return get(n.entries[index].(*node), keyHash, key)
}
if n.level == 6 { // get from collisionNode
if n.entries[index] == nil {
... | go | func get(n *node, keyHash uint32, key interface{}) Entry {
index := uint(mask(keyHash, n.level))
if n.dataMap.GetBit(index) {
return n.entries[index]
}
if n.nodeMap.GetBit(index) {
return get(n.entries[index].(*node), keyHash, key)
}
if n.level == 6 { // get from collisionNode
if n.entries[index] == nil {
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] | f07cbe3f82ca2fd6e5ab94afce65fe43319f675f | https://github.com/Workiva/go-datastructures/blob/f07cbe3f82ca2fd6e5ab94afce65fe43319f675f/trie/dtrie/node.go#L128-L148 | train |
Subsets and Splits
SQL Console for semeru/code-text-go
Retrieves a limited set of code samples with their languages, with a specific case adjustment for 'Go' language.