Merge pull request #540 from dotnet/master

Update live with current master

Author: mairaw

.github/CODEOWNERS

@@ -17,6 +17,9 @@
 # C# samples:
 /csharp/**  @BillWagner
 
+# ML.NET samples:
+/machine-learning/**  @JRAlexander
+
 #### Snippets (under samples)
 # C++ snippets
 /snippets/cpp/** @rpetrusha

machine-learning/tutorials/IrisClustering.sln

@@ -28,24 +28,24 @@ public class SimpleWebToken : SecurityToken
 
         NameValueCollection _properties;
         //</Snippet3>
-        string _serilaizedToken;
+        string _serializedToken;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="SimpleWebToken"/> class.
-        /// This is internal contructor is only called from the <see cref="SimpleWebTokenHandler"/> when reading a token received from the wire.
+        /// This is an internal constructor that is only called from the <see cref="SimpleWebTokenHandler"/> when reading a token received from the wire.
         /// </summary>
-        /// <param name="properties">The collection represents all the key value pairs in the token.</param>
+        /// <param name="properties">The collection representing all the key value pairs in the token.</param>
         /// <param name="serializedToken">The serialized form of the token.</param>
         internal SimpleWebToken( NameValueCollection properties, string serializedToken )
             : this(properties)
         {
-            _serilaizedToken = serializedToken;            
+            _serializedToken = serializedToken;
         }
 
         /// <summary>
         /// Initializes a new instance of the <see cref="SimpleWebToken"/> class.
         /// </summary>
-        /// <param name="properties">The collection represents all the key value pairs in the token.</param>
+        /// <param name="properties">The collection representing all the key value pairs in the token.</param>
         public SimpleWebToken( NameValueCollection properties )
         {
             if ( properties == null )
@@ -103,7 +103,7 @@ public override DateTime ValidFrom
         /// <summary>
         /// Gets the time when the token expires.
         /// </summary>
-        /// <value>The time upto which the token is valid.</value>
+        /// <value>The time up to which the token is valid.</value>
         public override DateTime ValidTo
         {
             get
@@ -158,7 +158,7 @@ public string SerializedToken
         {
             get
             {
-                return _serilaizedToken;
+                return _serializedToken;
             }
         }
 
@@ -173,7 +173,7 @@ public NameValueCollection GetAllProperties()
 
         //<Snippet8>
         /// <summary>
-        /// Convert the time in seconds to a <see cref="DateTime"/> object based on the base time 
+        /// Converts the time in seconds to a <see cref="DateTime"/> object based on the base time 
         /// defined by the Simple Web Token.
         /// </summary>
         /// <param name="expiryTime">The time in seconds.</param>

machine-learning/tutorials/IrisClustering/IrisClustering.csproj

@@ -7,7 +7,7 @@ public class Example
     public static void Main()
     {
         var numbers = (2, 3, 4, 5, 6);
-        Func<(int n1, int n2, int n3, int n4, int n5), (int, int, int, int, int)> doubleThem = (n) => (n.n1 * 2, n2 * 2, n.n3 * 2, n.n4 * 2, n.n5 * 2);
+        Func<(int n1, int n2, int n3, int n4, int n5), (int, int, int, int, int)> doubleThem = (n) => (n.n1 * 2, n.n2 * 2, n.n3 * 2, n.n4 * 2, n.n5 * 2);
         var doubledNumbers = doubleThem(numbers);
 
         Console.WriteLine("The set {0} doubled: {1}", numbers, doubledNumbers);

machine-learning/tutorials/IrisClustering/IrisData.cs

@@ -0,0 +1,15 @@
+```fsharp
+[<Struct>]
+type Foo =
+  val mutable bar: string
+  member self.ChangeBar bar = self.bar <- bar
+  new (bar) = {bar = bar}
+
+let foo = Foo "1"
+foo.ChangeBar "2" //make implicit copy of Foo, changes the copy, discards the copy, foo remains unchanged
+printfn "%s" foo.bar //prints 1
+
+let mutable foo' = Foo "1"
+foo'.ChangeBar "2" //changes foo'
+printfn "%s" foo'.bar //prints 2
+```