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67 lines
1.2 KiB

package common
import (
"bytes"
"sort"
)
//----------------------------------------
// KVPair
/*
Defined in types.proto
type KVPair struct {
Key []byte
Value []byte
}
*/
type KVPairs []KVPair
// Sorting
func (kvs KVPairs) Len() int { return len(kvs) }
func (kvs KVPairs) Less(i, j int) bool {
switch bytes.Compare(kvs[i].Key, kvs[j].Key) {
case -1:
return true
case 0:
return bytes.Compare(kvs[i].Value, kvs[j].Value) < 0
case 1:
return false
default:
panic("invalid comparison result")
}
}
func (kvs KVPairs) Swap(i, j int) { kvs[i], kvs[j] = kvs[j], kvs[i] }
func (kvs KVPairs) Sort() { sort.Sort(kvs) }
//----------------------------------------
// KI64Pair
/*
Defined in types.proto
type KI64Pair struct {
Key []byte
Value int64
}
*/
type KI64Pairs []KI64Pair
// Sorting
func (kvs KI64Pairs) Len() int { return len(kvs) }
func (kvs KI64Pairs) Less(i, j int) bool {
switch bytes.Compare(kvs[i].Key, kvs[j].Key) {
case -1:
return true
case 0:
return kvs[i].Value < kvs[j].Value
case 1:
return false
default:
panic("invalid comparison result")
}
}
func (kvs KI64Pairs) Swap(i, j int) { kvs[i], kvs[j] = kvs[j], kvs[i] }
func (kvs KI64Pairs) Sort() { sort.Sort(kvs) }