TryPeek() [1/2]

readonly bool System.Buffers.SequenceReader< T >.TryPeek ( long offset, out T value )

inline

Definition at line 83 of file SequenceReader.cs.

    {
        if (offset < 0)
        {
            System.ThrowHelper.ThrowArgumentOutOfRangeException_OffsetOutOfRange();
        }
        if (!_moreData || Remaining <= offset)
        {
            value = default(T);
            return false;
        }
        if (CurrentSpanIndex + offset <= CurrentSpan.Length - 1)
        {
            value = CurrentSpan[CurrentSpanIndex + (int)offset];
            return true;
        }
        long num = offset - (CurrentSpan.Length - CurrentSpanIndex);
        SequencePosition position = _nextPosition;
        ReadOnlyMemory<T> memory;
        while (Sequence.TryGet(ref position, out memory))
        {
            if (memory.Length > 0)
            {
                if (num < memory.Length)
                {
                    break;
                }
                num -= memory.Length;
            }
        }
        value = memory.Span[(int)num];
        return true;
    }

References System.Buffers.SequenceReader< T >._moreData, System.Buffers.SequenceReader< T >._nextPosition, System.Buffers.SequenceReader< T >.CurrentSpan, System.Buffers.SequenceReader< T >.CurrentSpanIndex, System.ReadOnlyMemory< T >.Length, System.offset, System.Buffers.SequenceReader< T >.Remaining, System.Buffers.SequenceReader< T >.Sequence, System.ReadOnlyMemory< T >.Span, System.ThrowHelper.ThrowArgumentOutOfRangeException_OffsetOutOfRange(), and System.value.