Average< TSource >() [1/10]

static decimal System.Linq.Enumerable.Average< TSource > ( this IEnumerable< TSource > source, Func< TSource, decimal > selector )

inlinestatic

Definition at line 4238 of file Enumerable.cs.

    {
        if (source == null)
        {
            ThrowHelper.ThrowArgumentNullException(ExceptionArgument.source);
        }
        if (selector == null)
        {
            ThrowHelper.ThrowArgumentNullException(ExceptionArgument.selector);
        }
        using IEnumerator<TSource> enumerator = source.GetEnumerator();
        if (!enumerator.MoveNext())
        {
            ThrowHelper.ThrowNoElementsException();
        }
        decimal num = selector(enumerator.Current);
        long num2 = 1L;
        while (enumerator.MoveNext())
        {
            num += selector(enumerator.Current);
            num2++;
        }
        return num / (decimal)num2;
    }

References System.Collections.Generic.Dictionary< TKey, TValue >.GetEnumerator(), System.L, System.Linq.selector, System.Linq.source, System.Linq.ThrowHelper.ThrowArgumentNullException(), and System.Linq.ThrowHelper.ThrowNoElementsException().