Adds basic mint interoperability.

Cargo.toml

@@ -31,6 +31,12 @@ version = "1.0.0"
 default-features = false
 features = ["derive", "alloc"]
 
+[dependencies.mint]
+package = "mint"
+optional = true
+default-features = false
+version = "0.5.9"
+
 [workspace]
 members = ["delaunay_compare"]
 

src/delaunay_core/bulk_load.rs

@@ -339,7 +339,7 @@ where
     None
 }
 
-pub struct PointWithIndex<V> {
+pub(crate) struct PointWithIndex<V> {
     data: V,
     index: usize,
 }

src/lib.rs

@@ -10,6 +10,15 @@
 //! * Serde support with the `serde` feature.
 //! * `no_std` support with `default-features = false`
 //! * Natural neighbor interpolation: [NaturalNeighbor]
+//!
+//! # Cargo features
+//!
+//! These features are disabled by default and need to be enabled in your `Cargo.toml`:
+//!  - `serde`: Enable (de)serialization of (constrained) Delaunay triangulations with the
+//!    [Serde](https://docs.rs/serde/latest/serde/) crate
+//!  - `mint`: Enables rudimentary [mint](https://docs.rs/mint/latest/mint/) interoperability by
+//!    implementing the `From` and `Into` conversion traits between `spade::Point2` and
+//!    `mint::Point2`. Also implements [HasPosition] for `mint::Point2`.
 
 #![no_std]
 #![forbid(unsafe_code)]
@@ -59,6 +68,8 @@ pub use delaunay_core::TriangulationExt;
 
 pub(crate) use delaunay_core::RemovalResult;
 
+#[cfg(feature = "mint")]
+mod mint_support;
 #[cfg(test)]
 mod test_utilities;
 

src/mint_support.rs

@@ -0,0 +1,27 @@
+use crate::{HasPosition, SpadeNum};
+
+impl<S> HasPosition for mint::Point2<S>
+where
+    S: SpadeNum,
+{
+    type Scalar = S;
+
+    fn position(&self) -> crate::Point2<Self::Scalar> {
+        (*self).into()
+    }
+}
+
+impl<S> From<mint::Point2<S>> for crate::Point2<S> {
+    fn from(value: mint::Point2<S>) -> Self {
+        crate::Point2::new(value.x, value.y)
+    }
+}
+
+impl<S> From<crate::Point2<S>> for mint::Point2<S> {
+    fn from(value: crate::Point2<S>) -> Self {
+        mint::Point2 {
+            x: value.x,
+            y: value.y,
+        }
+    }
+}

src/point.rs

@@ -116,7 +116,7 @@ impl<S: SpadeNum> From<(S, S)> for Point2<S> {
     }
 }
 
-/// An object with position.
+/// An object with a position.
 ///
 /// Vertices need to implement this trait to allow being inserted into triangulations.
 pub trait HasPosition {