[Store][Variable] Implement IntoIterator, should replace Iterable later.

ptal · Mar 25, 2016 · 1a1f619 · 1a1f619
1 parent eefe819
commit 1a1f619
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diff --git a/src/libpcp/variable/delta_store.rs b/src/libpcp/variable/delta_store.rs
@@ -111,6 +111,15 @@ impl<Domain, Event> Iterable for DeltaStore<Domain, Event> {
   }
 }
 
+impl<'a, Domain, Event> IntoIterator for &'a DeltaStore<Domain, Event> {
+  type Item = <&'a Store<Domain> as IntoIterator>::Item;
+  type IntoIter = <&'a Store<Domain> as IntoIterator>::IntoIter;
+
+  fn into_iter(self) -> Self::IntoIter {
+    self.store.into_iter()
+  }
+}
+
 impl<Domain, Event> Cardinality for DeltaStore<Domain, Event>
 {
   type Size = usize;

diff --git a/src/libpcp/variable/store.rs b/src/libpcp/variable/store.rs
@@ -70,6 +70,15 @@ impl<Domain> Iterable for Store<Domain> {
   }
 }
 
+impl<'a, Domain> IntoIterator for &'a Store<Domain> {
+  type Item = &'a Domain;
+  type IntoIter = ::std::slice::Iter<'a, Domain>;
+
+  fn into_iter(self) -> Self::IntoIter {
+    self.variables.iter()
+  }
+}
+
 impl<Domain> Alloc<Domain> for Store<Domain> where
   Domain: Cardinality
 {