Add derived clone implementation.

Author: adamreichold

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "sif-kdtree"
 description = "simple, immutable, flat k-d tree"
-version = "0.5.0"
+version = "0.5.1"
 edition = "2018"
 rust-version = "1.55"
 authors = ["Adam Reichold <[email protected]>"]

src/lib.rs

@@ -178,7 +178,7 @@ pub trait Object {
 ///
 /// Note that this tree dereferences to and deserializes as a slice of objects.
 /// Modifying object positions through interior mutability or deserializing a modified sequence is safe but will lead to incorrect results.
-#[derive(Debug, Default)]
+#[derive(Debug, Default, Clone)]
 #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 #[cfg_attr(feature = "serde", serde(transparent))]
 pub struct KdTree<O, S = Box<[O]>>