feat: Make SerDe optional

2021-01-17 21:35:03 +00:00
parent eb769493e7
commit e0d46f430b
44 changed files with 206 additions and 126 deletions
@@ -17,14 +17,15 @@
 //! ```
 //! <script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
 //! <script id="MathJax-script" async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
-use serde::{Deserialize, Serialize};
+#[cfg(feature = "serde")] use serde::{Deserialize, Serialize};

 use crate::math::num::RealNumber;

 use super::Distance;

 /// Manhattan distance
-#[derive(Serialize, Deserialize, Debug, Clone)]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[derive(Debug, Clone)]
 pub struct Manhattan {}

 impl<T: RealNumber> Distance<Vec<T>, T> for Manhattan {