Add dummy GetHashCode implementations.

src/AST/Type.cs

@@ -171,6 +171,11 @@ namespace CppSharp.AST
             var type = (QualifiedType) obj;
             return Type.Equals(type.Type) && Qualifiers.Equals(type.Qualifiers);
         }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
     }
 
     /// <summary>
@@ -201,6 +206,11 @@ namespace CppSharp.AST
 
             return Declaration.Equals(type.Declaration);
         }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
     }
 
     /// <summary>
@@ -245,6 +255,11 @@ namespace CppSharp.AST
 
             return equals;
         }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
     }
 
     /// <summary>
@@ -275,6 +290,11 @@ namespace CppSharp.AST
 
             return ReturnType.Equals(type.ReturnType) && Parameters.SequenceEqual(type.Parameters);
         }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
     }
 
     /// <summary>
@@ -327,6 +347,11 @@ namespace CppSharp.AST
             return QualifiedPointee.Equals(type.QualifiedPointee)
                 && Modifier == type.Modifier;
         }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
     }
 
     /// <summary>
@@ -353,6 +378,11 @@ namespace CppSharp.AST
 
             return Pointee.Equals(pointer.Pointee);
         }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
     }
 
     /// <summary>
@@ -380,6 +410,11 @@ namespace CppSharp.AST
             var t = Declaration.Equals(typedef.Declaration);
             return t;
         }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
     }
 
     /// <summary>
@@ -408,6 +443,11 @@ namespace CppSharp.AST
 
             return Original.Equals(decay.Original);
         }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
     }
 
     /// <summary>
@@ -475,6 +515,11 @@ namespace CppSharp.AST
                 throw new Exception("Unknowed TemplateArgument Kind");
             }
         }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
     }
 
     /// <summary>
@@ -507,6 +552,11 @@ namespace CppSharp.AST
             return Arguments.SequenceEqual(type.Arguments)
                 && Template.Equals(type.Template);
         }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
     }
 
     /// <summary>
@@ -529,6 +579,11 @@ namespace CppSharp.AST
 
             return Parameter.Equals(type.Parameter);
         }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
     }
 
     /// <summary>
@@ -551,6 +606,11 @@ namespace CppSharp.AST
 
             return Replacement.Equals(type.Replacement);
         }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
     }
 
     /// <summary>
@@ -576,6 +636,11 @@ namespace CppSharp.AST
             return TemplateSpecialization.Equals(type.TemplateSpecialization)
                 && Class.Equals(type.Class);
         }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
     }
 
     /// <summary>
@@ -615,6 +680,11 @@ namespace CppSharp.AST
 
             return Type == type.Type;
         }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
     }
 
     #region Primitives
@@ -690,6 +760,11 @@ namespace CppSharp.AST
 
             return Type == type.Type;
         }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
     }
 
     #endregion