Feature/code refactoring

.github/workflows/tests.yml

@@ -8,6 +8,17 @@ on:
     branches: ["main"]
 
 jobs:
+  msrv:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: 1.88.0
+      - name: Run MSRV check
+        working-directory: iOverlay
+        run: cargo check --all-features --all-targets
+
   test:
     runs-on: ubuntu-latest
     steps:

iOverlay/Cargo.toml

@@ -3,6 +3,7 @@ name = "i_overlay"
 version = "4.5.1"
 authors = ["Nail Sharipov <nailxsharipov@gmail.com>"]
 edition = "2024"
+rust-version = "1.88"
 description = "Boolean Operations for 2D Polygons: Supports intersection, union, difference, xor, and self-intersections for all polygon varieties."
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/iShape-Rust/iOverlay"

iOverlay/src/core/divide.rs

@@ -45,7 +45,7 @@ impl ContourDecomposition for IntContour {
             .map(|(i, &p)| IdPoint::new(i, p))
             .collect();
 
-        id_points.sort_by(|p0, p1| p0.point.cmp(&p1.point).then_with(|| p0.id.cmp(&p1.id)));
+        id_points.sort_unstable_by(|p0, p1| p0.point.cmp(&p1.point).then_with(|| p0.id.cmp(&p1.id)));
 
         let mut p0 = id_points.first().unwrap().point;
         let mut anchors = Vec::new();

iOverlay/src/core/extract.rs

@@ -170,7 +170,7 @@ impl OverlayGraph<'_> {
         }
 
         if !anchors_already_sorted {
-            anchors.sort_by(|s0, s1| s0.v_segment.a.cmp(&s1.v_segment.a));
+            anchors.sort_unstable_by(|s0, s1| s0.v_segment.a.cmp(&s1.v_segment.a));
         }
 
         shapes.join_sorted_holes(holes, anchors, clockwise);

iOverlay/src/core/extract_ogc.rs

@@ -168,7 +168,7 @@ impl OverlayGraph<'_> {
             }
 
             if !anchors_already_sorted {
-                anchors.sort_by(|s0, s1| s0.v_segment.a.cmp(&s1.v_segment.a));
+                anchors.sort_unstable_by(|s0, s1| s0.v_segment.a.cmp(&s1.v_segment.a));
             }
 
             shapes.join_sorted_holes(holes, anchors, is_main_dir_cw);

iOverlay/src/split/solver_fragment.rs

@@ -108,7 +108,8 @@ impl SplitSolver {
             marks: Vec<LineMark>,
         }
 
-        let marks_capacity = self.marks.len() / buffer.groups.len();
+        debug_assert!(!buffer.groups.is_empty(), "groups.len() >= 1");
+        let marks_capacity = self.marks.capacity() / buffer.groups.len();
 
         let results: Vec<TaskResult> = buffer
             .groups

iOverlay/src/split/solver_list.rs

@@ -24,20 +24,20 @@ impl SplitSolver {
 
             let radius: i64 = snap_radius.radius();
 
-            for i in 0..segments.len() - 1 {
-                let ei = &segments[i].x_segment;
-                let ri = ei.y_range();
-                for (j, s) in segments.iter().enumerate().skip(i + 1) {
-                    let ej = &s.x_segment;
-                    if ei.b.x < ej.a.x {
+            for (i, si) in segments.iter().enumerate() {
+                let xsi = &si.x_segment;
+                let ri = xsi.y_range();
+                for (j, sj) in segments.iter().enumerate().skip(i + 1) {
+                    let xsj = &sj.x_segment;
+                    if xsi.b.x < xsj.a.x {
                         break;
                     }
 
-                    if ej.is_not_intersect_y_range(&ri) {
+                    if xsj.is_not_intersect_y_range(&ri) {
                         continue;
                     }
 
-                    let is_round = SplitSolver::cross(i, j, ei, ej, &mut self.marks, radius);
+                    let is_round = SplitSolver::cross(i, j, xsi, xsj, &mut self.marks, radius);
                     need_to_fix = need_to_fix || is_round
                 }
             }