public static IMutableSeq <T> Of <T>(IEnumerable <T> values)
{
IMutableSeq <T> mseq;
if (values is IImmutableSeq <T> )
{
var seq = (values as IImmutableSeq <T>);
mseq = seq.IsEmpty ? Empty <T>() : Of <T>(seq);
}
else if (values is IMutableSeq <T> )
{
var seq = (IMutableSeq <T>)values;
mseq = seq.IsEmpty ? Empty <T>() : Of <T>(seq);
}
else if (values is ICollection <T> )
{
var collection = (ICollection <T>)values;
mseq = collection.Count == 0
? Empty <T>()
: OfLength <T>(collection.Count).SetAll(values);
}
else
{
var array = values.ToArray();
mseq = array.Length == 0 ? Empty <T>() : new ArrayMutableSeq <T>(Array.Of(ObjectStore.Of(array)));
}
return(mseq);
}
private static char[] Distinct(char[] chars)
{
System.Array.Sort(chars);
var j = 0;
for (var i = 1; i < chars.Length; ++i)
{
if (chars[j] != chars[i])
{
chars[++j] = chars[i];
}
}
var size = Math.Min(chars.Length, j + 1);
var array = new char[size];
System.Array.Copy(chars, 0, array, 0, size);
return(array);
}
public static IMutableSeq <T> Of <T>(params T[] values)
{
return(values.Length == 0
? Empty <T>()
: new ArrayMutableSeq <T>(Array.Of(ObjectStore.Of((T[])values.Clone()))));
}
public static IMutableSeq <T> OfLength <T>(int length)
{
return(length == 0
? Empty <T>()
: new ArrayMutableSeq <T>(Array.Of(ObjectStore.OfLength <T>(length))));
}
public CharSeq(char[] characters) : base(Distinct((char[])characters.Clone()))
{
}
protected CharSeqBase(SerializationInfo info, StreamingContext context) : base(Array.OfLength <char>(0))
{
Values = (char[])info.GetValue("_array", typeof(char[]));
base.Values = Array.Of(CharStore.Of(Values)).Seal();
}
protected CharSeqBase(char[] characters) : base(Array.Of(CharStore.Of(characters)).Seal())
{
Values = characters;
}
