public ImmutableBooleanSet collectBoolean(BooleanFunction<? super T> booleanFunction)
{
BooleanHashSet result = new BooleanHashSet();
this.forEach(new CollectBooleanProcedure<T>(booleanFunction, result));
return result.toImmutable();
}
public ImmutableByteSet collectByte(ByteFunction<? super T> byteFunction)
{
ByteHashSet result = new ByteHashSet(this.size());