/// <summary>
/// Determines whether all of the flags in <paramref name="desiredFlags"/>
/// </summary>
/// <param name="value">Value to test</param>
/// <param name="desiredFlags">Flags we wish to find</param>
/// <returns>Whether all the flags in <paramref name="desiredFlags"/> are in <paramref name="value"/>.</returns>
/// <exception cref="TypeArgumentException"><typeparamref name="T"/> is not a flags enum.</exception>
public static bool HasAll <T>(this T value, T desiredFlags) where T : struct, IEnumConstraint
{
ThrowIfNotFlags <T>();
return(EnumInternals <T> .Equality(value.And(desiredFlags), desiredFlags));
}
/// <summary>
/// Returns the inverse of a value, with no consideration for which bits are used
/// by values within the enum (i.e. a simple bitwise negation).
/// </summary>
/// <typeparam name="T">Enum type</typeparam>
/// <param name="value">Value to invert</param>
/// <returns>The bitwise negation of the value</returns>
/// <exception cref="TypeArgumentException"><typeparamref name="T"/> is not a flags enum.</exception>
public static T AllBitsInverse <T>(this T value) where T : struct, IEnumConstraint
{
ThrowIfNotFlags <T>();
return(EnumInternals <T> .Not(value));
}
/// <summary>
/// Returns whether this value is an empty set of fields, i.e. the zero value.
/// </summary>
/// <typeparam name="T">Enum type</typeparam>
/// <param name="value">Value to test</param>
/// <returns>True if the value is empty (zero); False otherwise.</returns>
/// <exception cref="TypeArgumentException"><typeparamref name="T"/> is not a flags enum.</exception>
public static bool IsEmpty <T>(this T value) where T : struct, IEnumConstraint
{
ThrowIfNotFlags <T>();
return(EnumInternals <T> .IsEmpty(value));
}
/// <summary>
/// Returns the bitwise "or" of two values.
/// </summary>
/// internal static
/// <param name="first">First value</param>
/// <param name="second">Second value</param>
/// <returns>The bitwise "or" of the two values</returns>
/// <exception cref="TypeArgumentException"><typeparamref name="T"/> is not a flags enum.</exception>
public static T Or <T>(this T first, T second) where T : struct, IEnumConstraint
{
ThrowIfNotFlags <T>();
return(EnumInternals <T> .Or(first, second));
}
