Make this crate work with no-std

1 files changed, 4 insertions, 0 deletions

diff --git a/src/knn.rs b/src/knn.rs
index 444c9a7..97e121d 100644
--- a/src/knn.rs
+++ b/src/knn.rs
@@ -2,6 +2,8 @@
 
 use crate::distance::{Distance, Proximity};
 
+use alloc::vec::Vec;
+
 /// A nearest neighbor.
 #[derive(Clone, Copy, Debug)]
 pub struct Neighbor<V, D> {
@@ -351,6 +353,8 @@ pub mod tests {
 
     use rand::prelude::*;
 
+    use alloc::vec;
+
     type Point = Euclidean<[f32; 3]>;
 
     /// Test an [ExactNeighbors] implementation.