Add `Insert` trait

crates/fj-kernel/src/insert.rs

@@ -0,0 +1,53 @@
+//! Convenience trait to insert objects into their respective stores
+//!
+//! See [`Insert`].
+
+use crate::{
+    objects::{
+        Curve, Cycle, Face, GlobalCurve, GlobalEdge, GlobalVertex, HalfEdge,
+        Objects, Shell, Sketch, Solid, Surface, SurfaceVertex, Vertex,
+    },
+    storage::Handle,
+    validate::Validate,
+};
+
+/// Convenience trait to insert objects into their respective stores
+pub trait Insert: Sized + Validate {
+    // TASK: Make error more specific.
+    /// Insert the object into its respective store
+    fn insert(
+        self,
+        objects: &Objects,
+    ) -> Result<Handle<Self>, <Self as Validate>::Error>;
+}
+
+macro_rules! impl_insert {
+    ($($ty:ty, $store:ident;)*) => {
+        $(
+            impl Insert for $ty {
+                fn insert(
+                    self,
+                    objects: &Objects,
+                ) -> Result<Handle<Self>, <Self as Validate>::Error> {
+                    objects.$store.insert(self)
+                }
+            }
+        )*
+    };
+}
+
+impl_insert!(
+    Curve, curves;
+    Cycle, cycles;
+    Face, faces;
+    GlobalCurve, global_curves;
+    GlobalEdge, global_edges;
+    GlobalVertex, global_vertices;
+    HalfEdge, half_edges;
+    Shell, shells;
+    Sketch, sketches;
+    Solid, solids;
+    SurfaceVertex, surface_vertices;
+    Surface, surfaces;
+    Vertex, vertices;
+);

crates/fj-kernel/src/lib.rs

@@ -89,6 +89,7 @@
 
 pub mod algorithms;
 pub mod builder;
+pub mod insert;
 pub mod iter;
 pub mod objects;
 pub mod partial;