some formatting

2022-03-07 20:19:53 -05:00
parent a34e37e3f7
commit eaf2c8e6b8
2 changed files with 4 additions and 2 deletions
--- a/src/function.rs
+++ b/src/function.rs
@@ -311,7 +311,7 @@ impl FunctionEntry {
        self
    }

-    pub fn get_derivative_str(&self) -> &str { self.function.get_derivative_str() }
+    pub fn get_derivative_str(&self) -> String { self.function.get_derivative_str() }
 }

 #[test]