FilterIterator(PyObject predicate, PyObject iterable, boolean filterTrue) {
if (predicate instanceof PyNone) {
this.predicate = null;
} else {
this.predicate = predicate;
}
this.iterator = iterable.__iter__();
this.filterTrue = filterTrue;
}
private GroupBy(PyObject iterable, PyObject key) {
iterator = iterable.__iter__();
keyFunc = key;
targetKey = currentKey = currentValue = new PyXRange(0);
}
WhileIterator(PyObject predicate, PyObject iterable, boolean drop) {
this.predicate = predicate;
iterator = iterable.__iter__();
this.drop = drop;
}
