add Load methods with Spans

crates/servicepoint_binding_cs/ServicePoint/BitVec.cs

@@ -2,6 +2,17 @@ namespace ServicePoint;
 
 public sealed partial class BitVec
 {
+    public static BitVec Load(Span<byte> bytes)
+    {
+        unsafe
+        {
+            fixed (byte* bytesPtr = bytes)
+            {
+                return Load(bytesPtr, (nuint)bytes.Length);
+            }
+        }
+    }
+
     public bool this[nuint index]
     {
         get => Get(index);

crates/servicepoint_binding_cs/ServicePoint/Bitmap.cs

@@ -2,6 +2,17 @@ namespace ServicePoint;
 
 public sealed partial class Bitmap
 {
+    public static Bitmap Load(nuint width, nuint height, Span<byte> bytes)
+    {
+        unsafe
+        {
+            fixed (byte* bytesPtr = bytes)
+            {
+                return Load(width, height, bytesPtr, (nuint)bytes.Length);
+            }
+        }
+    }
+
     public bool this[nuint x, nuint y]
     {
         get => Get(x, y);

crates/servicepoint_binding_cs/ServicePoint/BrightnessGrid.cs

@@ -2,6 +2,17 @@ namespace ServicePoint;
 
 public sealed partial class BrightnessGrid
 {
+    public static BrightnessGrid Load(nuint width, nuint height, Span<byte> bytes)
+    {
+        unsafe
+        {
+            fixed (byte* bytesPtr = bytes)
+            {
+                return Load(width, height, bytesPtr, (nuint)bytes.Length);
+            }
+        }
+    }
+
     public byte this[nuint x, nuint y]
     {
         get => Get(x, y);

crates/servicepoint_binding_cs/ServicePoint/ByteSlice.cs

@@ -2,5 +2,5 @@ namespace ServicePoint;
 
 public partial struct SPByteSlice
 {
-    public unsafe Span<byte> AsSpan() => new Span<byte>(start, (int)length);
+    public unsafe Span<byte> AsSpan() => new (start, (int)length);
 }

crates/servicepoint_binding_cs/ServicePoint/Cp437Grid.cs

@@ -4,6 +4,17 @@ namespace ServicePoint;
 
 public sealed partial class Cp437Grid
 {
+    public static Cp437Grid Load(nuint width, nuint height, Span<byte> bytes)
+    {
+        unsafe
+        {
+            fixed (byte* bytesPtr = bytes)
+            {
+                return Load(width, height, bytesPtr, (nuint)bytes.Length);
+            }
+        }
+    }
+
     public byte this[nuint x, nuint y]
     {
         get => Get(x, y);

crates/servicepoint_binding_cs/ServicePoint/Packet.cs

@@ -4,7 +4,7 @@ namespace ServicePoint;
 
 public sealed partial class Packet
 {
-    public static bool TryFromBytes(Span<byte> bytes, [MaybeNullWhen(false)] out Packet packet)
+    public static bool TryLoad(Span<byte> bytes, [MaybeNullWhen(false)] out Packet packet)
     {
         unsafe
         {