public static PersistentHashSet create(ISeq items)
{
PersistentHashSet ret = EMPTY;
for (; items != null; items = items.next())
{
ret = (PersistentHashSet)ret.cons(items.first());
}
return(ret);
}
public static PersistentHashSet create(IList init)
{
PersistentHashSet ret = EMPTY;
foreach (object obj in init)
{
ret = (PersistentHashSet)ret.cons(obj);
}
return(ret);
}
public static PersistentHashSet create(params object[] init)
{
PersistentHashSet ret = EMPTY;
for (int i = 0; i < init.Length; ++i)
{
ret = (PersistentHashSet)ret.cons(init[i]);
}
return(ret);
}
/// <summary>
/// Create a <see cref="PersistentHashSet">PersistentHashSet</see> initialized from an IList of items.
/// </summary>
/// <param name="init">An IList of items.</param>
/// <returns>A <see cref="PersistentHashSet">PersistentHashSet</see>.</returns>
/// <remarks>This is called just 'create' in the Java version. CLR can't handle this overload when called on something that is
/// both an IList and an ISeq, such as any ASeq.</remarks>
public static PersistentHashSet create1(IList init)
{
// TODO: Look for other collection classes with an overload problem on create(IList) and create(ISeq).
PersistentHashSet ret = EMPTY;
foreach (object obj in init)
{
ret = (PersistentHashSet)ret.cons(obj);
}
return(ret);
}
public static PersistentHashSet createWithCheck(params object[] init)
{
PersistentHashSet ret = EMPTY;
for (int i = 0; i < init.Length; i++)
{
ret = (PersistentHashSet)ret.cons(init[i]);
if (ret.count() != i + 1)
{
throw new ArgumentException("Duplicate key: " + init[i]);
}
}
return(ret);
}
public static PersistentHashSet createWithCheck(ISeq items)
{
PersistentHashSet ret = EMPTY;
for (int i = 0; items != null; items = items.next(), ++i)
{
ret = (PersistentHashSet)ret.cons(items.first());
if (ret.count() != i + 1)
{
throw new ArgumentException("Duplicate key: " + items.first());
}
}
return(ret);
}
public static PersistentHashSet createWithCheck(IList init)
{
PersistentHashSet ret = EMPTY;
int i = 0;
foreach (Object key in init)
{
ret = (PersistentHashSet)ret.cons(key);
if (ret.count() != i + 1)
{
throw new ArgumentException("Duplicate key: " + key);
}
++i;
}
return(ret);
}
protected override object Read(PushbackTextReader r, char leftbracket, object opts)
{
return(PersistentHashSet.createWithCheck(ReadDelimitedList('}', r, true, opts)));
}
protected override object Read(PushbackTextReader r, char leftbracket)
{
return(PersistentHashSet.create1(readDelimitedList('}', r, true)));
}
