eson/focus
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

发个完整的readme

Browse Source
This commit is contained in:
huangsimin 2019-07-18 14:57:44 +08:00
parent 003484569b
commit fafe2feaa4
1 changed files with 43 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
README.md
View File

@ -5,18 +5,47 @@
## PriorityQueue ## PriorityQueue
``` golang ``` golang
package main
import (
"log"
"github.com/474420502/focus/compare"
pqueuekey "github.com/474420502/focus/priority_queuekey"
)
func main() {
pq := pqueuekey.New(compare.Int) pq := pqueuekey.New(compare.Int)
pq.Push(1, 1) pq.Push(1, 1)
pq.Push(4, 4) pq.Push(4, 4)
pq.Push(5, 5) pq.Push(5, 5)
pq.Push(6, 6) pq.Push(6, 6)
pq.Push(2, 2) // pq.Values() = [6 5 4 2 1] pq.Push(2, 2) // pq.Values() = [6 5 4 2 1]
log.Println(pq.Values())
value, _ := pq.Pop() // value = 6 value, _ := pq.Pop() // value = 6
log.Println(value)
value, _ = pq.Get(1) // value = 1 pq.Values() = [5 4 2 1] value, _ = pq.Get(1) // value = 1 pq.Values() = [5 4 2 1]
log.Println(value)
value, _ = pq.Get(0) // value = nil , Get equal to Seach Key value, _ = pq.Get(0) // value = nil , Get equal to Seach Key
log.Println(value)
value, _ = pq.Index(0) // value = 5, compare.Int the order from big to small value, _ = pq.Index(0) // value = 5, compare.Int the order from big to small
log.Println(value)
values := pq.GetRange(2, 5) // values = [2 4 5] values := pq.GetRange(2, 5) // values = [2 4 5]
log.Println(values)
values = pq.GetRange(5, 2) // values = [5 4 2] values = pq.GetRange(5, 2) // values = [5 4 2]
log.Println(values)
values = pq.GetRange(100, 2) // values = [5 4 2] values = pq.GetRange(100, 2) // values = [5 4 2]
log.Println(values)
values3 := pq.GetAround(5) // values3 = [<nil>, 5, 4] values3 := pq.GetAround(5) // values3 = [<nil>, 5, 4]
log.Println(values3)
iter := pq.Iterator() // Next 小到大
// log.Println(iter.Value()) 直接使用会报错,
iter.Next()
log.Println(iter.Value()) // 起始最大值 5
log.Println(iter.Next(), iter.Value()) // 5
// 大到小
log.Println(iter.Prev(), iter.Value()) // 4
}
``` ```