public IVarTuple this[Range range]
{
get
{
int lenHead = this.Head.Count;
int lenTail = this.Tail.Count;
(int offset, int count) = range.GetOffsetAndLength(lenHead + lenTail);
if (count == 0)
{
return(STuple.Empty);
}
if (offset == 0)
{
if (count == lenHead + lenTail)
{
return(this);
}
if (count == lenHead)
{
return(this.Head);
}
}
if (offset == lenHead && count == lenTail)
{
return(this.Tail);
}
return(TupleHelpers.Splice(this, range));
}
}
public IVarTuple this[Range range]
{
get
{
int d = this.Depth;
(int offset, int count) = range.GetOffsetAndLength(d + 1);
if (count == 0)
{
return(STuple.Empty);
}
if (count == 1 && offset == d)
{
return(new STuple <T>(this.Tail));
}
if (offset == 0)
{
if (count == d + 1)
{
return(this);
}
if (count == d)
{
return(this.Head);
}
}
return(TupleHelpers.Splice(this, range));
}
}
public IVarTuple this[int?fromIncluded, int?toExcluded] => TupleHelpers.Splice(this, fromIncluded, toExcluded);
public ITuple this[int?fromIncluded, int?toExcluded]
{
get { return(TupleHelpers.Splice(this, fromIncluded, toExcluded)); }
}
