Update Exprs.fsi

Author: alfonsogarciacaro

src/fsharp/symbols/Exprs.fsi

@@ -130,6 +130,13 @@ module public BasicPatterns =
     /// Matches record expressions 
     val (|NewRecord|_|) : FSharpExpr -> (FSharpType * FSharpExpr list) option 
 
+    /// Matches anonymous record expressions 
+    val (|NewAnonRecord|_|) : FSharpExpr -> (FSharpType * FSharpExpr list) option 
+
+    /// Matches expressions getting a field from an anonymous record. The integer represents the
+    /// index into the sorted fields of the anonymous record.
+    val (|AnonRecordGet|_|) : FSharpExpr -> (FSharpExpr * FSharpType * int) option 
+
     /// Matches expressions which get a field from a record or class
     val (|FSharpFieldGet|_|) : FSharpExpr -> (FSharpExpr option * FSharpType * FSharpField) option