static public IPersistentVector create(object obj)
{
IReduceInit ri = obj as IReduceInit;
if (ri != null)
{
return(PersistentVector.create(ri));
}
ISeq iseq = obj as ISeq;
if (iseq != null)
{
return(PersistentVector.create(RT.seq(obj)));
}
IEnumerable ie = obj as IEnumerable;
if (ie != null)
{
return(PersistentVector.create1(ie));
}
return(createOwning(RT.toArray(obj)));
}
static public IPersistentVector create(object obj)
{
//if ((obj is Counted || RT.SupportsRandomAccess(obj))
// && fcount(obj) <= Tuple.MAX_SIZE)
// return Tuple.createFromColl(obj);
IReduceInit ri = obj as IReduceInit;
if (ri != null)
{
return(PersistentVector.create(ri));
}
ISeq iseq = obj as ISeq;
if (iseq != null)
{
return(PersistentVector.create(RT.seq(obj)));
}
IEnumerable ie = obj as IEnumerable;
if (ie != null)
{
return(PersistentVector.create1(ie));
}
return(createOwning(RT.toArray(obj)));
}
static public IPersistentVector create(System.Collections.ICollection coll)
{
if (!(coll is ISeq) && coll.Count <= 32)
{
object[] array = new object[coll.Count];
coll.CopyTo(array, 0);
return(createOwning(array));
}
return(PersistentVector.create(RT.seq(coll)));
}
static public IPersistentVector createOwning(params object[] items)
{
//if (items.Length <= Tuple.MAX_SIZE)
// return Tuple.createFromArray(items);
//else
if (items.Length <= 32)
{
return(new PersistentVector(items.Length, 5, PersistentVector.EmptyNode, items));
}
return(PersistentVector.create(items));
//: new LazilyPersistentVector(null, items, null);
}
static public IPersistentVector createOwning(params object[] items)
{
if (items.Length == 0)
{
return((IPersistentVector)PersistentVector.EMPTY);
}
else if (items.Length <= 32)
{
return(new PersistentVector(items.Length, 5, PersistentVector.EmptyNode, items));
}
return(PersistentVector.create(items));
//: new LazilyPersistentVector(null, items, null);
}
