Linq Product

public static int Product(this IEnumerable<int> x) => Product<int, int>(x);
public static long Product(this IEnumerable<long> x) => Product<long, long>(x);
public static float Product(this IEnumerable<float> x) => Product<float, float>(x);
public static double Product(this IEnumerable<double> x) => Product<double, double>(x);
public static decimal Product(this IEnumerable<decimal> x) => Product<decimal, decimal>(x);

private static TResult Product<TSource, TResult>(this IEnumerable<TSource> x)
    where TSource : struct, INumber<TSource>
    where TResult : struct, INumber<TResult>
{
    TResult result = TResult.One;
    foreach (var item in x)
    {
        checked
        {
            result *= TResult.CreateChecked(item);
        }
    }

    return result;
}