public <TKey, TElement, TResult> Queryable<TResult> groupBy(
FunctionExpression<Function1<T, TKey>> keySelector,
FunctionExpression<Function1<T, TElement>> elementSelector,
FunctionExpression<Function2<TKey, Enumerable<TElement>, TResult>> resultSelector,
EqualityComparer<TKey> comparer) {
return factory.groupBy(getThis(), keySelector, elementSelector, resultSelector, comparer);
}
public <TKey, TElement> Queryable<Grouping<TKey, TElement>> groupBy(
FunctionExpression<Function1<T, TKey>> keySelector,
FunctionExpression<Function1<T, TElement>> elementSelector,
EqualityComparer<TKey> comparer) {
return factory.groupBy(getThis(), keySelector, elementSelector, comparer);
}
public <TKey> Queryable<Grouping<TKey, T>> groupBy(
FunctionExpression<Function1<T, TKey>> keySelector) {
return factory.groupBy(getThis(), keySelector);
}