Umbraco-CMS/src/Umbraco.Core/EnumExtensions.cs

using System;

namespace Umbraco.Core
{
    /// <summary>
    /// Provides extension methods to <see cref="Enum"/>.
    /// </summary>
    public static class EnumExtensions
    {
        /// <summary>
        /// Determines whether all the flags/bits are set within the enum value.
        /// </summary>
        /// <typeparam name="T">The enum type.</typeparam>
        /// <param name="value">The enum value.</param>
        /// <param name="flags">The flags.</param>
        /// <returns>
        ///   <c>true</c> if all the flags/bits are set within the enum value; otherwise, <c>false</c>.
        /// </returns>
        [Obsolete("Use Enum.HasFlag() or bitwise operations (if performance is important) instead.")]
        public static bool HasFlagAll<T>(this T value, T flags)
            where T : Enum
        {
            return value.HasFlag(flags);
        }

        /// <summary>
        /// Determines whether any of the flags/bits are set within the enum value.
        /// </summary>
        /// <typeparam name="T">The enum type.</typeparam>
        /// <param name="value">The value.</param>
        /// <param name="flags">The flags.</param>
        /// <returns>
        ///   <c>true</c> if any of the flags/bits are set within the enum value; otherwise, <c>false</c>.
        /// </returns>
        public static bool HasFlagAny<T>(this T value, T flags)
            where T : Enum
        {
            var v = Convert.ToUInt64(value);
            var f = Convert.ToUInt64(flags);

            return (v & f) > 0;
        }
    }
}