Add a take method to Optional

This makes it easier to take ownership of optional values inside the `&'static mut BootInfo`.
rust-osdev · Dec 29, 2023 · 2db7ae2 · 2db7ae2
1 parent 7d2a579
commit 2db7ae2
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/api/src/info.rs b/api/src/info.rs
@@ -341,6 +341,11 @@ impl<T> Optional<T> {
             Self::None => None,
         }
     }
+
+    /// Takes the value out of the `Optional`, leaving a `None` in its place.
+    pub fn take(&mut self) -> Option<T> {
+        core::mem::replace(self, Optional::None).into_option()
+    }
 }
 
 impl<T> From<Option<T>> for Optional<T> {