log_unstable: Use ?

tikv · May 9, 2018 · e946b20 · e946b20
1 parent e334684
commit e946b20
Showing 1 changed file with 6 additions and 10 deletions.
diff --git a/src/log_unstable.rs b/src/log_unstable.rs
@@ -74,16 +74,12 @@ impl Unstable {
  // is any.
  pub fn maybe_term(&self, idx: u64) -> Option<u64> {
  if idx < self.offset {
- match self.snapshot.as_ref() {
- Some(snapshot) => {
- let meta = snapshot.get_metadata();
- if idx == meta.get_index() {
- Some(meta.get_term())
- } else {
- None
- }
- },
- None => None,
+ let snapshot = self.snapshot.as_ref()?;
+ let meta = snapshot.get_metadata();
+ if idx == meta.get_index() {
+ Some(meta.get_term())
+ } else {
+ None
  }
  } else {
  self.maybe_last_index().and_then(|last| {