Merge pull request #103 from tarcieri/add-ctoption-expect

Add `CtOption::expect`
dalek-cryptography · Feb 7, 2023 · b4326d0 · b4326d0
2 parents 29bb99b + f8b1f59
commit b4326d0
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/src/lib.rs b/src/lib.rs
@@ -618,6 +618,18 @@ impl<T> CtOption<T> {
         }
     }
 
+    /// Returns the contained value, consuming the `self` value.
+    ///
+    /// # Panics
+    ///
+    /// Panics if the value is none with a custom panic message provided by
+    /// `msg`.
+    pub fn expect(self, msg: &str) -> T {
+        assert_eq!(self.is_some.unwrap_u8(), 1, "{}", msg);
+
+        self.value
+    }
+
     /// This returns the underlying value but panics if it
     /// is not `Some`.
     #[inline]