BuffersExtensions.PositionOf<T>(ReadOnlySequence<T>, T) Метод

public:
generic <typename T>
 where T : IEquatable<T>[System::Runtime::CompilerServices::Extension]
 static Nullable<SequencePosition> PositionOf(System::Buffers::ReadOnlySequence<T> % source, T value);

public static SequencePosition? PositionOf<T> (this in System.Buffers.ReadOnlySequence<T> source, T value) where T : IEquatable<T>;

static member PositionOf : ReadOnlySequence * 'T -> Nullable<SequencePosition> (requires 'T :> IEquatable<'T>)

<Extension()>
Public Function PositionOf(Of T As IEquatable(Of T)) (ByRef source As ReadOnlySequence(Of T), value As T) As Nullable(Of SequencePosition)

Объект, чей метод GetInteger() возвращает позицию первого вхождения item, или объект, чье свойство Nullable<SequencePosition>.HasValue имеет значение false.