From d60bfc1d91c3f46d2c54e756b7646925cd790f76 Mon Sep 17 00:00:00 2001
From: Hanno Braun <hanno@braun-odw.eu>
Date: Tue, 1 Aug 2023 11:48:45 +0200
Subject: [PATCH 1/2] Add `UpdateHalfEdge::replace_boundary`

---
 crates/fj-core/src/operations/update/edge.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/crates/fj-core/src/operations/update/edge.rs b/crates/fj-core/src/operations/update/edge.rs
index b67dfee78..9d3184a6c 100644
--- a/crates/fj-core/src/operations/update/edge.rs
+++ b/crates/fj-core/src/operations/update/edge.rs
@@ -1,10 +1,17 @@
+use fj_math::Point;
+
 use crate::{
+    geometry::CurveBoundary,
     objects::{Curve, GlobalEdge, HalfEdge, Vertex},
     storage::Handle,
 };
 
 /// Update a [`HalfEdge`]
 pub trait UpdateHalfEdge {
+    /// Replace the boundary of the half-edge
+    #[must_use]
+    fn replace_boundary(&self, boundary: CurveBoundary<Point<1>>) -> Self;
+
     /// Replace the curve of the half-edge
     #[must_use]
     fn replace_curve(&self, curve: Handle<Curve>) -> Self;
@@ -19,6 +26,16 @@ pub trait UpdateHalfEdge {
 }
 
 impl UpdateHalfEdge for HalfEdge {
+    fn replace_boundary(&self, boundary: CurveBoundary<Point<1>>) -> Self {
+        HalfEdge::new(
+            self.path(),
+            boundary,
+            self.curve().clone(),
+            self.start_vertex().clone(),
+            self.global_form().clone(),
+        )
+    }
+
     fn replace_curve(&self, curve: Handle<Curve>) -> Self {
         HalfEdge::new(
             self.path(),

From ef9993e0f0162344db8eb80e70f6f291b1fa9f18 Mon Sep 17 00:00:00 2001
From: Hanno Braun <hanno@braun-odw.eu>
Date: Tue, 1 Aug 2023 11:51:58 +0200
Subject: [PATCH 2/2] Add `UpdateHalfEdge::replace_path`

---
 crates/fj-core/src/operations/update/edge.rs | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/crates/fj-core/src/operations/update/edge.rs b/crates/fj-core/src/operations/update/edge.rs
index 9d3184a6c..3a415897d 100644
--- a/crates/fj-core/src/operations/update/edge.rs
+++ b/crates/fj-core/src/operations/update/edge.rs
@@ -1,13 +1,17 @@
 use fj_math::Point;
 
 use crate::{
-    geometry::CurveBoundary,
+    geometry::{CurveBoundary, SurfacePath},
     objects::{Curve, GlobalEdge, HalfEdge, Vertex},
     storage::Handle,
 };
 
 /// Update a [`HalfEdge`]
 pub trait UpdateHalfEdge {
+    /// Replace the path of the half-edge
+    #[must_use]
+    fn replace_path(&self, path: SurfacePath) -> Self;
+
     /// Replace the boundary of the half-edge
     #[must_use]
     fn replace_boundary(&self, boundary: CurveBoundary<Point<1>>) -> Self;
@@ -26,6 +30,16 @@ pub trait UpdateHalfEdge {
 }
 
 impl UpdateHalfEdge for HalfEdge {
+    fn replace_path(&self, path: SurfacePath) -> Self {
+        HalfEdge::new(
+            path,
+            self.boundary(),
+            self.curve().clone(),
+            self.start_vertex().clone(),
+            self.global_form().clone(),
+        )
+    }
+
     fn replace_boundary(&self, boundary: CurveBoundary<Point<1>>) -> Self {
         HalfEdge::new(
             self.path(),