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X10D/docfx_project/articles/migration-from-3.x.x.md

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Migration from 3.x.x

X10D 4.0.0 is a major release that introduces breaking changes. This document will help you migrate your code from 3.x.x to 4.0.0.

Removed APIs

X10D.DSharpPlus library

The X10D.DSharpPlus library has been removed. This library was used to provide extension methods for the DSharpPlus wrapper library. However, I have since moved to using a different library, and as such, I feel it is no longer in the scope of X10D or in my best interest to maintain it. The library will remain available on NuGet until DSharpPlus release 5.0.0 as stable, and X10D.DSharpPlus will NOT be part of X10D 4.0.0. I'm sorry for any inconvenience this may cause.

Endianness enum

The Endianness enum was used to specify the endianness of data when reading or writing to a stream. This was causing some clutter, and makes it harder to develop X10D, so it was removed. In its stead, any method which accepted an Endianness parameter now has two overloads: one for big-endian, and one for little-endian. For example, the following code:

someStream.Write(12345, Endianness.BigEndian);

// or

Span<byte> buffer = stackalloc byte[4];
12345.TryWriteBytes(buffer, Endianness.BigEndian);

would now be written as:

someStream.WriteBigEndian(12345);

// or

Span<byte> buffer = stackalloc byte[4];
12345.TryWriteLittleEndianBytes(buffer);

IEnumerable<T>.ConcatOne(T) extension method

The IEnumerable<T>.ConcatOne extension method was used to concatenate a single item to an enumerable. At the time, I was unaware of the Enumerable.Append method, which does the same thing. As such, ConcatOne has been removed. There is no migration path for this, as the built in Append method from LINQ is a drop-in replacement.

Exception Changes

If you were previously catching TypeInitializationException when calling Stream.GetHash<> or Stream.TryWriteHash<>, you will now need to catch a ArgumentException instead. The justification for this change is that ArgumentException is more general, and more easily understood by developers.