public static StringSegment Subsegment(this string str, Range range)
{
var(offset, length) = range.GetOffsetAndLength(str.Length);
return(new StringSegment(str, offset, length));
}
public Memory <T> Slice(Range range)
{
(int start, int length) = range.GetOffsetAndLength(_length);
// It is expected for _index + start to be negative if the memory is already pre-pinned.
return(new Memory <T>(_object, _index + start, length));
}
public Utf8String Substring(Range range)
{
(int start, int length) = range.GetOffsetAndLength(Length);
return(Substring(start, length));
}