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backend: Add String() to IDs

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This commit is contained in:
Alexander Neumann 2015-08-08 17:03:13 +02:00
parent a0bad1695c
commit 2cb0fbf589
1 changed files with 19 additions and 0 deletions
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19
backend/ids.go
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@ -1,5 +1,10 @@
package backend
import (
"encoding/hex"
"fmt"
)
// IDs is an ordered list of IDs that implements sort.Interface.
type IDs []ID
@ -48,3 +53,17 @@ func (ids IDs) Uniq() (list IDs) {
return list
}
type shortID ID
func (id shortID) String() string {
return hex.EncodeToString(id[:shortStr])
}
func (ids IDs) String() string {
elements := make([]shortID, 0, len(ids))
for _, id := range ids {
elements = append(elements, shortID(id))
}
return fmt.Sprintf("%v", elements)
}