Add the Metadata.root_package convenience method.

oli-obk · Sep 24, 2020 · 344151f · 344151f
1 parent f66b1fe
commit 344151f
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/src/lib.rs b/src/lib.rs
@@ -139,6 +139,16 @@ pub struct Metadata {
     __do_not_match_exhaustively: (),
 }
 
+impl Metadata {
+    /// Get the root package of this metadata instance.
+    pub fn root_package(&self) -> Option<&Package> {
+        self.resolve
+            .as_ref()
+            .and_then(|res| res.root.as_ref())
+            .and_then(|root| self.packages.iter().find(|pkg| &pkg.id == root))
+    }
+}
+
 impl<'a> std::ops::Index<&'a PackageId> for Metadata {
     type Output = Package;