Make Formatter Happy

Signed-off-by: Will Hawkins <hawkinsw@obs.cr>

Sources/P4Lang/Program.swift

@@ -34,19 +34,19 @@ public struct Program {
   }
 
   /// Retrieve global instances in the compiled P4 program.
-  /// 
+  ///
   /// Use the given filter to select which of the global instances
   /// from the compiled P4 program to retrieve.
-  /// 
+  ///
   /// If the compiled P4 program (from the source in the
   /// string `p4_program_with_control_decl`) has two Control
   /// instances and  you only want to select the one named simple,
   /// you could use a filter like
   ///
-  /// @Snippet(path: "use-program-instanceswithtypes", slice: "include") 
-  /// 
+  /// @Snippet(path: "use-program-instanceswithtypes", slice: "include")
+  ///
   public func InstancesWithTypes(_ filter: TypeFilter) -> [P4Type] {
-    return self.instances.filter() { instance in
+    return self.instances.filter { instance in
       filter(instance)
     }
   }
@@ -57,19 +57,19 @@ public struct Program {
   }
 
   /// Retrieve global types declared in the compiled P4 program.
-  /// 
+  ///
   /// Use the given filter to select which of the global types
   /// declared in the compiled P4 program to retrieve.
-  /// 
+  ///
   /// If the compiled P4 program (from the source in the
   /// string `p4_program_with_struct_decl`) has two structs declared and
   /// you only want to select the one named `agg`, you could
   /// use a filter like
-  /// 
-  /// @Snippet(path: "use-program-typeswithtypes", slice: "include") 
+  ///
+  /// @Snippet(path: "use-program-typeswithtypes", slice: "include")
   ///
   public func TypesWithTypes(_ filter: TypeFilter) -> [P4Type] {
-    return self.types.filter() { instance in
+    return self.types.filter { instance in
       filter(instance)
     }
   }