# HG changeset patch
# User Georges Racinet <georges.racinet@octobus.net>
# Date 2023-03-30 10:21:38
# Node ID 071a6c1d291e59f4830564ab53258e94944c2638
# Parent  c101e7757ed77f989457f5869bd5ead8d566a736

rust-changelog: introduce ChangelogEntry parent entries accessors

Straightforwards now that lifetimes are explicit in `RevlogEntry`
parent accessors.

diff --git a/rust/hg-core/src/revlog/changelog.rs b/rust/hg-core/src/revlog/changelog.rs
--- a/rust/hg-core/src/revlog/changelog.rs
+++ b/rust/hg-core/src/revlog/changelog.rs
@@ -106,6 +106,20 @@ impl<'changelog> ChangelogEntry<'changel
     pub fn as_revlog_entry(&self) -> &RevlogEntry {
         &self.revlog_entry
     }
+
+    pub fn p1_entry(&self) -> Result<Option<ChangelogEntry>, RevlogError> {
+        Ok(self
+            .revlog_entry
+            .p1_entry()?
+            .map(|revlog_entry| Self { revlog_entry }))
+    }
+
+    pub fn p2_entry(&self) -> Result<Option<ChangelogEntry>, RevlogError> {
+        Ok(self
+            .revlog_entry
+            .p2_entry()?
+            .map(|revlog_entry| Self { revlog_entry }))
+    }
 }
 
 /// `Changelog` entry which knows how to interpret the `changelog` data bytes.