IsNotIn

    public static bool IsNotIn<T>(this T keyObject, IEnumerable<T> collection)
    {
        return keyObject.IsIn(collection) == false;
    }
Example:
var exceptionList = new List<string> { "exception1", "exception2" };
var query = myEntities.MyEntity
                     .Select(e => e.Name)
                     .Where(e => e.IsNotIn(exceptionList));

Description

Determines if an instance is not contained in a sequence. Is the equivalent of Contains == false, but allows a more fluent reading "if item is not in list", specially useful in LINQ extension methods like Where.

Details

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