class/corlib/System.Reflection/GenericParameterAttributes.cs

   1 // -*- Mode: csharp; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
   2 //
   3 // System.Reflection.GenericParameterAttributes
   4 //
   5 // Author:
   6 //    Martin Baulig (martin@ximian.com)
   7 //
   8 // (C) 2004 Novell, Inc.
   9 //
  10
  11 //
  12 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  13 //
  14 // Permission is hereby granted, free of charge, to any person obtaining
  15 // a copy of this software and associated documentation files (the
  16 // "Software"), to deal in the Software without restriction, including
  17 // without limitation the rights to use, copy, modify, merge, publish,
  18 // distribute, sublicense, and/or sell copies of the Software, and to
  19 // permit persons to whom the Software is furnished to do so, subject to
  20 // the following conditions:
  21 //
  22 // The above copyright notice and this permission notice shall be
  23 // included in all copies or substantial portions of the Software.
  24 //
  25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  29 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  30 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  31 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  32 //
  33
  34 namespace System.Reflection
  35 {
  36         [Flags]
  37         public enum GenericParameterAttributes
  38         {
  39                 Covariant                       = 1,
  40                 Contravariant                   = 2,
  41
  42                 VarianceMask                    = Covariant | Contravariant,
  43
  44                 None                            = 0,
  45                 ReferenceTypeConstraint         = 4,
  46                 NotNullableValueTypeConstraint  = 8,
  47                 DefaultConstructorConstraint    = 16,
  48
  49                 SpecialConstraintMask           =
  50                 ReferenceTypeConstraint | NotNullableValueTypeConstraint | DefaultConstructorConstraint
  51         }
  52 }