diff rust/hg-core/src/dirstate_tree/dispatch.rs @ 47332:4ee9f419c52e

rust: Return owned instead of borrowed DirstateEntry in DirstateMap APIs

This will enable the tree-based DirstateMap to not always have an actual
DirstateEntry in memory for all nodes, but construct it on demand.

Differential Revision: https://phab.mercurial-scm.org/D10746

--- a/rust/hg-core/src/dirstate_tree/dispatch.rs	Wed May 19 13:15:00 2021 +0200
+++ b/rust/hg-core/src/dirstate_tree/dispatch.rs	Wed May 19 13:15:00 2021 +0200
@@ -117,7 +117,7 @@
 
     fn contains_key(&self, key: &HgPath) -> bool;
 
-    fn get(&self, key: &HgPath) -> Option<&DirstateEntry>;
+    fn get(&self, key: &HgPath) -> Option<DirstateEntry>;
 
     fn iter(&self) -> StateMapIter<'_>;
 }
@@ -290,11 +290,11 @@
         (&**self).contains_key(key)
     }
 
-    fn get(&self, key: &HgPath) -> Option<&DirstateEntry> {
-        (&**self).get(key)
+    fn get(&self, key: &HgPath) -> Option<DirstateEntry> {
+        (&**self).get(key).cloned()
     }
 
     fn iter(&self) -> StateMapIter<'_> {
-        Box::new((&**self).iter().map(|(key, value)| (&**key, value)))
+        Box::new((&**self).iter().map(|(key, value)| (&**key, *value)))
     }
 }