Contains< TSource >() [1/2]

static bool System.Linq.Enumerable.Contains< TSource > ( this IEnumerable< TSource > source, TSource value )

inlinestatic

Definition at line 4397 of file Enumerable.cs.

    {
        if (!(source is ICollection<TSource> collection))
        {
            return source.Contains(value, null);
        }
        return collection.Contains(value);
    }

References System.collection, System.Linq.source, and System.value.