From e512b38719e58af0285b863e177b4f699677909e Mon Sep 17 00:00:00 2001
From: josesimoes <jose.simoes@eclo.solutions>
Date: Tue, 20 Oct 2020 15:13:36 +0100
Subject: [PATCH] Add Enum.HasFlag

- Bump AssemblyNativeVersion to 100.5.0.2.
---
 nanoFramework.CoreLibrary/System/AssemblyInfo.cs |  2 +-
 nanoFramework.CoreLibrary/System/Enum.cs         | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/nanoFramework.CoreLibrary/System/AssemblyInfo.cs b/nanoFramework.CoreLibrary/System/AssemblyInfo.cs
index 4ce8becd..e753c969 100644
--- a/nanoFramework.CoreLibrary/System/AssemblyInfo.cs
+++ b/nanoFramework.CoreLibrary/System/AssemblyInfo.cs
@@ -14,4 +14,4 @@
 [assembly: AssemblyProduct("nanoFramework mscorlib")]
 [assembly: AssemblyCopyright("Copyright (c) .NET Foundation and Contributors")]
 
-[assembly: AssemblyNativeVersion("100.5.0.1")]
+[assembly: AssemblyNativeVersion("100.5.0.2")]
diff --git a/nanoFramework.CoreLibrary/System/Enum.cs b/nanoFramework.CoreLibrary/System/Enum.cs
index 959efd9e..bf0ab526 100644
--- a/nanoFramework.CoreLibrary/System/Enum.cs
+++ b/nanoFramework.CoreLibrary/System/Enum.cs
@@ -4,6 +4,8 @@
 // See LICENSE file in the project root for full license information.
 //
 
+using System.Runtime.CompilerServices;
+
 namespace System
 {
     /// <summary>
@@ -12,6 +14,14 @@ namespace System
     [Serializable]
     public abstract class Enum : ValueType
     {
+        /// <summary>
+        /// Determines whether one or more bit fields are set in the current instance.
+        /// </summary>
+        /// <param name="flag">An enumeration value.</param>
+        /// <returns><see langword="true"/> if the bit field or bit fields that are set in flag are also set in the current instance; otherwise, <see langword="false"/>.</returns>
+        /// <exception cref="ArgumentException"><paramref name="flag"/> is a different type than the current instance.</exception>
+        [MethodImpl(MethodImplOptions.InternalCall)]
+        public extern bool HasFlag(Enum flag);
 
         /// <summary>
         /// Converts the value of this instance to its equivalent string representation.