Mercurial > lbo > hg > leveldb-rs

changeset 315:678ab5ac55d5

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snapshot: Add method to retrieve sequence number for a snapshot
author Lewin Bormann <lbo@spheniscida.de>
date Fri, 29 Sep 2017 19:38:44 +0200
parents cc60cfd06226
children 3b4c55889370
files src/snapshot.rs
diffstat 1 files changed, 4 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/src/snapshot.rs	Fri Sep 29 19:38:28 2017 +0200
+++ b/src/snapshot.rs	Fri Sep 29 19:38:44 2017 +0200
@@ -31,6 +31,10 @@
         self.newest
     }
 
+    pub fn sequence_at(&self, ss: &Snapshot) -> Option<SequenceNumber> {
+        self.map.get(ss).map(|sn| *sn)
+    }
+
     pub fn oldest(&self) -> SequenceNumber {
         self.map.get(&self.oldest).unwrap().clone()
     }