Merge pull request #129 from thedodd/126-root-package-method

Add the Metadata.root_package convenience method.
oli-obk · Sep 24, 2020 · 477930d · 477930d
2 parents f66b1fe + 80fd07e
commit 477930d
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/lib.rs b/src/lib.rs
@@ -139,6 +139,14 @@ pub struct Metadata {
     __do_not_match_exhaustively: (),
 }
 
+impl Metadata {
+    /// Get the root package of this metadata instance.
+    pub fn root_package(&self) -> Option<&Package> {
+        let root = self.resolve.as_ref()?.root.as_ref()?;
+        self.packages.iter().find(|pkg| &pkg.id == root)
+    }
+}
+
 impl<'a> std::ops::Index<&'a PackageId> for Metadata {
     type Output = Package;