elliotchance / orderedmap

🔃 An ordered map in Go with amortized O(1) for Set, Get, Delete and Len.
MIT License
849 stars 63 forks source link

map is not sorted #20

Open jiftle opened 3 years ago

jiftle commented 3 years ago
var rs map[string][]byte

// 排序
m := orderedmap.NewOrderedMap()
for k, _ := range rs {
    fmt.Printf("  |-set-> %v\n", el.Key)
    m.Set(k, rs[k])
}

// You can also use Back and Prev to iterate in reverse:
for el := m.Back(); el != nil; el = el.Prev() {
    fmt.Printf("  |-get-> %v\n", el.Key)
}
----> 检索记录,前缀: auth_file_rec-001203-0100000084-
out--find more--> [auth_file_rec-001203-0100000084-%!s(int=23)]:
out--find more--> [auth_file_rec-001203-0100000084-%!s(int=24)]:
out--find more--> [auth_file_rec-001203-0100000084-%!s(int=25)]:
out--find more--> [auth_file_rec-001203-0100000084-%!s(int=26)]:
  |---> auth_file_rec-001203-0100000084-%!s(int=26)
  |---> auth_file_rec-001203-0100000084-%!s(int=25)
  |---> auth_file_rec-001203-0100000084-%!s(int=24)
  |---> auth_file_rec-001203-0100000084-%!s(int=23)

----> 检索记录,前缀: auth_file_rec-001203-0100000084-
out--find more--> [auth_file_rec-001203-0100000084-%!s(int=23)]:
out--find more--> [auth_file_rec-001203-0100000084-%!s(int=24)]:
out--find more--> [auth_file_rec-001203-0100000084-%!s(int=25)]:
out--find more--> [auth_file_rec-001203-0100000084-%!s(int=26)]:
  |---> auth_file_rec-001203-0100000084-%!s(int=24)
  |---> auth_file_rec-001203-0100000084-%!s(int=23)
  |---> auth_file_rec-001203-0100000084-%!s(int=26)
  |---> auth_file_rec-001203-0100000084-%!s(int=25)
elliotchance commented 3 years ago

I cannot understand your output because it doesn't match the code you provided.

This package does not provide a sorted map (where items are placed in sorted order), it is an ordered map (where insert order is maintained).