feat!: Drop returns bool, Put doesn't stack-overflow
#21
46
subtable.go
46
subtable.go
@@ -20,52 +20,52 @@ type subtable[K, V any] struct {
|
||||
|
||||
// location determines where in the bucket a certain key would be placed. If the
|
||||
// capacity is 0, this will panic.
|
||||
func (b *subtable[K, V]) location(key K) uint64 {
|
||||
return b.hash(key) % b.capacity
|
||||
func (t *subtable[K, V]) location(key K) uint64 {
|
||||
return t.hash(key) % t.capacity
|
||||
}
|
||||
|
||||
func (b *subtable[K, V]) get(key K) (value V, found bool) {
|
||||
if b.capacity == 0 {
|
||||
func (t *subtable[K, V]) get(key K) (value V, found bool) {
|
||||
if t.capacity == 0 {
|
||||
return
|
||||
}
|
||||
|
||||
slot := b.slots[b.location(key)]
|
||||
return slot.Value, slot.occupied && b.compare(slot.Key, key)
|
||||
slot := t.slots[t.location(key)]
|
||||
return slot.Value, slot.occupied && t.compare(slot.Key, key)
|
||||
}
|
||||
|
||||
func (b *subtable[K, V]) drop(key K) (occupied bool) {
|
||||
if b.capacity == 0 {
|
||||
func (t *subtable[K, V]) drop(key K) (occupied bool) {
|
||||
if t.capacity == 0 {
|
||||
return
|
||||
}
|
||||
|
||||
slot := &b.slots[b.location(key)]
|
||||
slot := &t.slots[t.location(key)]
|
||||
|
||||
if slot.occupied && b.compare(slot.Key, key) {
|
||||
if slot.occupied && t.compare(slot.Key, key) {
|
||||
slot.occupied = false
|
||||
b.size--
|
||||
t.size--
|
||||
return true
|
||||
}
|
||||
|
||||
return false
|
||||
}
|
||||
|
||||
func (b *subtable[K, V]) resized(capacity uint64) *subtable[K, V] {
|
||||
func (t *subtable[K, V]) resized(capacity uint64) *subtable[K, V] {
|
||||
return &subtable[K, V]{
|
||||
slots: make([]slot[K, V], capacity),
|
||||
capacity: capacity,
|
||||
hash: b.hash,
|
||||
compare: b.compare,
|
||||
hash: t.hash,
|
||||
compare: t.compare,
|
||||
}
|
||||
}
|
||||
|
||||
func (b *subtable[K, V]) update(key K, value V) (updated bool) {
|
||||
if b.capacity == 0 {
|
||||
func (t *subtable[K, V]) update(key K, value V) (updated bool) {
|
||||
if t.capacity == 0 {
|
||||
return
|
||||
}
|
||||
|
||||
slot := &b.slots[b.location(key)]
|
||||
slot := &t.slots[t.location(key)]
|
||||
|
||||
if slot.occupied && b.compare(slot.Key, key) {
|
||||
if slot.occupied && t.compare(slot.Key, key) {
|
||||
slot.Value = value
|
||||
return true
|
||||
}
|
||||
@@ -73,21 +73,21 @@ func (b *subtable[K, V]) update(key K, value V) (updated bool) {
|
||||
return false
|
||||
}
|
||||
|
||||
func (b *subtable[K, V]) insert(insertion Entry[K, V]) (evicted Entry[K, V], eviction bool) {
|
||||
if b.capacity == 0 {
|
||||
func (t *subtable[K, V]) insert(insertion Entry[K, V]) (evicted Entry[K, V], eviction bool) {
|
||||
if t.capacity == 0 {
|
||||
return insertion, true
|
||||
}
|
||||
|
||||
slot := &b.slots[b.location(insertion.Key)]
|
||||
slot := &t.slots[t.location(insertion.Key)]
|
||||
|
||||
if !slot.occupied {
|
||||
slot.Entry = insertion
|
||||
slot.occupied = true
|
||||
b.size++
|
||||
t.size++
|
||||
return
|
||||
}
|
||||
|
||||
if b.compare(slot.Key, insertion.Key) {
|
||||
if t.compare(slot.Key, insertion.Key) {
|
||||
slot.Value = insertion.Value
|
||||
return
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user