/// <summary>
/// Gets the specified list excluding the second specified list.
/// </summary>
/// <param name="specificationLevels">The specification levels to consider.</param>
/// <param name="excludingSpecificationLevels">The excluding specification levels to consider.</param>
/// <returns></returns>
public static SpecificationLevels[] Excluding(
this SpecificationLevels[] specificationLevels,
params SpecificationLevels[] excludingSpecificationLevels)
{
SpecificationLevels specificationLevel = specificationLevels.Aggregate((current, value) => current | value) & ~excludingSpecificationLevels.Aggregate((current, value) => current | value);
return(Enum.GetValues(typeof(SpecificationLevels)).Cast <SpecificationLevels>().Where(p => (p & specificationLevel) == p).ToArray());
}
/// <summary>
/// Indicates whether the specified specification level list contains the specified specification level.
/// </summary>
/// <param name="specificationLevels">The specified specification level list to consider.</param>
/// <param name="specificationLevel">The specified specification level to consider.</param>
/// <returns></returns>
public static bool Has(
this SpecificationLevels[] specificationLevels,
SpecificationLevels specificationLevel)
{
return((specificationLevels.Aggregate((current, value) => current | value) & specificationLevel) == specificationLevel);
}
/// <summary>
/// Gets the specified list excluding the secong specified list.
/// </summary>
/// <param name="specificationLevel">The specification level to consider.</param>
/// <param name="excludingSpecificationLevels">The excluding specification levels to consider.</param>
/// <returns></returns>
public static SpecificationLevels[] Excluding(
this SpecificationLevels specificationLevel,
params SpecificationLevels[] excludingSpecificationLevels)
{
return((new[] { specificationLevel }).Excluding(excludingSpecificationLevels));
}
