refactor(core): move OrbitPolicy to the components submodule (#250)

honeycomb-core/src/cmap/components/mod.rs

@@ -3,4 +3,5 @@
 pub mod betas;
 pub mod collections;
 pub mod identifiers;
+pub mod orbits;
 pub mod unused;

honeycomb-core/src/cmap/components/orbits.rs

@@ -0,0 +1,19 @@
+/// Orbit search policy enum.
+///
+/// This is used to define special cases of orbits that are often used in
+/// algorithms. These special cases correspond to *i-cells*.
+#[derive(Debug, PartialEq)]
+pub enum OrbitPolicy {
+    /// 0-cell orbit.
+    Vertex,
+    /// 0-cell orbit, without using beta 0. This requires the cell to be complete / closed.
+    VertexLinear,
+    /// 1-cell orbit.
+    Edge,
+    /// 2-cell orbit.
+    Face,
+    /// 2-cell orbit, without using beta 0. This requires the cell to be complete / closed.
+    FaceLinear,
+    /// Ordered array of beta functions that define the orbit.
+    Custom(&'static [u8]),
+}

honeycomb-core/src/cmap/dim2/orbits.rs

@@ -6,32 +6,12 @@
 // ------ IMPORTS
 
 use crate::geometry::CoordsFloat;
-use crate::prelude::{CMap2, DartIdType, NULL_DART_ID};
+use crate::prelude::{CMap2, DartIdType, OrbitPolicy, NULL_DART_ID};
 
 use std::collections::{BTreeSet, VecDeque};
 
 // ------ CONTENT
 
-/// Orbit search policy enum.
-///
-/// This is used to define special cases of orbits that are often used in
-/// algorithms. These special cases correspond to *i-cells*.
-#[derive(Debug, PartialEq)]
-pub enum OrbitPolicy {
-    /// 0-cell orbit.
-    Vertex,
-    /// 0-cell orbit, without using beta 0. This requires the cell to be complete / closed.
-    VertexLinear,
-    /// 1-cell orbit.
-    Edge,
-    /// 2-cell orbit.
-    Face,
-    /// 2-cell orbit, without using beta 0. This requires the cell to be complete / closed.
-    FaceLinear,
-    /// Ordered array of beta functions that define the orbit.
-    Custom(&'static [u8]),
-}
-
 /// Generic 2D orbit implementation
 ///
 /// This structure only contains meta-data about the orbit in its initial state. All the darts

honeycomb-core/src/cmap/mod.rs

@@ -12,11 +12,9 @@ pub use components::{
         DartIdType, EdgeIdType, FaceIdType, VertexIdType, VolumeIdType, NULL_DART_ID, NULL_EDGE_ID,
         NULL_FACE_ID, NULL_VERTEX_ID, NULL_VOLUME_ID,
     },
+    orbits::OrbitPolicy,
 };
-pub use dim2::{
-    orbits::{Orbit2, OrbitPolicy},
-    structure::CMap2,
-};
+pub use dim2::{orbits::Orbit2, structure::CMap2};
 pub use error::{CMapError, CMapResult};
 
 #[cfg(feature = "utils")]