AsMemory() [5/5]

static ReadOnlyMemory< char > System.MemoryExtensions.AsMemory ( this string? text, Range range )

inlinestatic

Definition at line 473 of file MemoryExtensions.cs.

    {
        if (text == null)
        {
            Index start = range.Start;
            Index end = range.End;
            if (!start.Equals(Index.Start) || !end.Equals(Index.Start))
            {
                ThrowHelper.ThrowArgumentNullException(ExceptionArgument.text);
            }
            return default(ReadOnlyMemory<char>);
        }
        var (start2, length) = range.GetOffsetAndLength(text.Length);
        return new ReadOnlyMemory<char>(text, start2, length);
    }

References System.Index.Equals(), System.length, System.start, System.Index.Start, System.text, and System.ThrowHelper.ThrowArgumentNullException().