forked from ethereum/go-ethereum
-
Notifications
You must be signed in to change notification settings - Fork 277
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
b30006f
commit 4d5b802
Showing
18 changed files
with
1,194 additions
and
181 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,90 @@ | ||
package common | ||
|
||
type HeapMap[K comparable, T Comparable[T]] struct { | ||
h *Heap[T] | ||
m *ShrinkingMap[K, *HeapElement[T]] | ||
keyFromElement func(T) K | ||
} | ||
|
||
func NewHeapMap[K comparable, T Comparable[T]](keyFromElement func(T) K) *HeapMap[K, T] { | ||
return &HeapMap[K, T]{ | ||
h: NewHeap[T](), | ||
m: NewShrinkingMap[K, *HeapElement[T]](1000), | ||
keyFromElement: keyFromElement, | ||
} | ||
} | ||
|
||
func (hm *HeapMap[K, T]) Len() int { | ||
return hm.h.Len() | ||
} | ||
|
||
func (hm *HeapMap[K, T]) Push(element T) bool { | ||
k := hm.keyFromElement(element) | ||
|
||
if hm.m.Has(k) { | ||
return false | ||
} | ||
|
||
heapElement := hm.h.Push(element) | ||
hm.m.Set(k, heapElement) | ||
|
||
return true | ||
} | ||
|
||
func (hm *HeapMap[K, T]) Pop() T { | ||
element := hm.h.Pop() | ||
k := hm.keyFromElement(element.Value()) | ||
hm.m.Delete(k) | ||
|
||
return element.Value() | ||
} | ||
|
||
func (hm *HeapMap[K, T]) Peek() T { | ||
return hm.h.Peek().Value() | ||
} | ||
|
||
func (hm *HeapMap[K, T]) RemoveByElement(element T) bool { | ||
key := hm.keyFromElement(element) | ||
heapElement, exists := hm.m.Get(key) | ||
if !exists { | ||
return false | ||
} | ||
|
||
hm.h.Remove(heapElement) | ||
hm.m.Delete(key) | ||
|
||
return true | ||
} | ||
|
||
func (hm *HeapMap[K, T]) RemoveByKey(key K) bool { | ||
heapElement, exists := hm.m.Get(key) | ||
if !exists { | ||
return false | ||
} | ||
|
||
hm.h.Remove(heapElement) | ||
hm.m.Delete(key) | ||
|
||
return true | ||
} | ||
|
||
func (hm *HeapMap[K, T]) Clear() { | ||
hm.h.Clear() | ||
hm.m = NewShrinkingMap[K, *HeapElement[T]](1000) | ||
} | ||
|
||
func (hm *HeapMap[K, T]) Keys() []K { | ||
return hm.m.Keys() | ||
} | ||
|
||
func (hm *HeapMap[K, T]) Elements() []T { | ||
var elements []T | ||
for _, element := range hm.m.Values() { | ||
elements = append(elements, element.Value()) | ||
} | ||
return elements | ||
} | ||
|
||
func (hm *HeapMap[K, T]) Has(element T) bool { | ||
return hm.m.Has(hm.keyFromElement(element)) | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.