frostfs-api-go/hash/hashesslice.go

21 lines
654 B
Go
Raw Normal View History

2019-11-18 13:34:06 +00:00
package hash
import (
"bytes"
)
// HashesSlice is a collection that satisfies sort.Interface and can be
// sorted by the routines in sort package.
type HashesSlice []Hash
// -- HashesSlice -- an inner type to sort Objects
// Len is the number of elements in the collection.
func (hs HashesSlice) Len() int { return len(hs) }
// Less reports whether the element with
// index i should be sorted before the element with index j.
func (hs HashesSlice) Less(i, j int) bool { return bytes.Compare(hs[i].Bytes(), hs[j].Bytes()) == -1 }
// Swap swaps the elements with indexes i and j.
func (hs HashesSlice) Swap(i, j int) { hs[i], hs[j] = hs[j], hs[i] }