/// <summary>
/// This creates a <see cref="IAsyncEnumerable{T}"/> that will behave like the given set of delegates.
/// Each enumeration is assumed to be stateless, meaning that the same set of delegates is shared by all instances returned by <see cref="IAsyncEnumerable{T}.GetAsyncEnumerator"/>.
/// </summary>
/// <typeparam name="T">The type of items being enumerated.</typeparam>
/// <param name="startInfo">The <see cref="WrappingEnumerationStartInfo{T}"/> containing delegates that capture all signatures of all methods of <see cref="IAsyncEnumerator{T}"/> interface.</param>
/// <returns>A new <see cref="IAsyncEnumerable{T}"/>, which will share the given delegates by all instances returned by <see cref="IAsyncEnumerable{T}.GetAsyncEnumerator"/>.</returns>
/// <param name="asyncProvider">The <see cref="IAsyncProvider"/> for the returned <see cref="IAsyncEnumerable{T}"/>.</param>
/// <exception cref="ArgumentNullException">If either of <see cref="WrappingEnumerationStartInfo{T}.WaitForNext"/> or <see cref="WrappingEnumerationStartInfo{T}.TryGetNext"/> delegates of <paramref name="startInfo"/> are <c>null</c>.</exception>
/// <seealso cref="WrappingEnumerationStartInfo{T}"/>
/// <seealso cref="CreateWrappingStartInfo"/>
public static IAsyncEnumerable <T> CreateStatelessWrappingEnumerable <T>(
WrappingEnumerationStartInfo <T> startInfo,
IAsyncProvider asyncProvider
)
{
return(new StatelessAsyncEnumerableWrapper <T>(startInfo, asyncProvider));
}
public StatelessAsyncEnumerableWrapper(
WrappingEnumerationStartInfo <T> startInfo,
IAsyncProvider asyncProvider
)
{
this._enumerator = new AsyncEnumeratorWrapper <T>(startInfo);
this.AsyncProvider = ArgumentValidator.ValidateNotNull(nameof(asyncProvider), asyncProvider);
}
public AsyncEnumeratorWrapper(
WrappingEnumerationStartInfo <T> startInfo
)
{
AsyncEnumeratorWrapperInitializer.InitVars(startInfo.WaitForNext, startInfo.TryGetNext, startInfo.Dispose, out this._waitForNext, out this._tryGetNext, out this._dispose);
}
/// <summary>
/// This creates a <see cref="IAsyncEnumerator{T}"/> that will behave like the given set of delegates.
/// </summary>
/// <typeparam name="T">The type of items being enumerated.</typeparam>
/// <param name="startInfo">The <see cref="WrappingEnumerationStartInfo{T}"/> containing delegates that capture all signatures of all methods of <see cref="IAsyncEnumerator{T}"/> interface.</param>
/// <returns>A new <see cref="IAsyncEnumerator{T}"/>, which will behave like the given set of delegates.</returns>
/// <exception cref="ArgumentNullException">If either of <see cref="WrappingEnumerationStartInfo{T}.WaitForNext"/> or <see cref="WrappingEnumerationStartInfo{T}.TryGetNext"/> delegates of <paramref name="startInfo"/> are <c>null</c>.</exception>
/// <seealso cref="WrappingEnumerationStartInfo{T}"/>
/// <seealso cref="CreateWrappingStartInfo"/>
public static IAsyncEnumerator <T> CreateWrappingEnumerator <T>(
WrappingEnumerationStartInfo <T> startInfo
)
{
return(new AsyncEnumeratorWrapper <T>(startInfo));
}