5 references to Sum
System.Linq (5)
System\Linq\Sum.cs (5)
259public static int? Sum<TSource>(this IEnumerable<TSource> source, Func<TSource, int?> selector) => Sum<TSource, int, int>(source, selector);
261public static long? Sum<TSource>(this IEnumerable<TSource> source, Func<TSource, long?> selector) => Sum<TSource, long, long>(source, selector);
263public static float? Sum<TSource>(this IEnumerable<TSource> source, Func<TSource, float?> selector) => Sum<TSource, float, double>(source, selector);
265public static double? Sum<TSource>(this IEnumerable<TSource> source, Func<TSource, double?> selector) => Sum<TSource, double, double>(source, selector);
267public static decimal? Sum<TSource>(this IEnumerable<TSource> source, Func<TSource, decimal?> selector) => Sum<TSource, decimal, decimal>(source, selector);