chore: save current workspace progress

ClumsyPilot/ParkrobTrajplanner/Utils/GridIndex.cs

@@ -0,0 +1,15 @@
+using System;
+
+namespace MultiWheelC.TrajectoryPlanning.Utils;
+
+public readonly struct GridIndex : IEquatable<GridIndex>
+{
+    public GridIndex(int row, int col) { Row = row; Col = col; }
+    public int Row { get; }
+    public int Col { get; }
+    public bool Equals(GridIndex other) { return Row == other.Row && Col == other.Col; }
+    public override bool Equals(object obj) { return obj is GridIndex && Equals((GridIndex)obj); }
+    public override int GetHashCode() { unchecked { return Row * 397 ^ Col; } }
+    public static bool operator ==(GridIndex left, GridIndex right) { return left.Equals(right); }
+    public static bool operator !=(GridIndex left, GridIndex right) { return !left.Equals(right); }
+}