public static TResult Aggregate <TSource, TAccumulate, TResult>(this IQueryable <TSource> source, TAccumulate seed, Expression <Func <TAccumulate, TSource, TAccumulate> > func, Expression <Func <TAccumulate, TResult> > selector)
{
Check.SourceAndFuncAndSelector(source, func, selector);
return(source.Provider.Execute <TResult>(StaticCall(MakeGeneric(MethodBase.GetCurrentMethod(), typeof(TSource), typeof(TAccumulate), typeof(TResult)), source.Expression, Expression.Constant(seed), Expression.Quote(func), Expression.Quote(selector))));
}
