1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 using System; 25 26 27 namespace uno 28 { 29 /** is used to mark a parameterized UNO entity(i.e. struct) 30 to be an instantiation of a 31 template with the specified type arguments. 32 33 <p>Currently only UNO structs can have type parameters.</p> 34 35 <pre> 36 37 [TypeParameters(new string[]{"T"})] 38 struct Foo { 39 [ParameterizedType("T")] 40 Object member; 41 } 42 43 public interface XFoo { 44 [return:TypeArguments(new string[]{typeof(char)})] 45 Foo func( [TypeArguments(new string[]{typeof(char)})] Foo f); 46 } 47 </pre> 48 49 @see TypeParametersAttribute 50 @see ParameterizedTypeAttribute 51 */ 52 [AttributeUsage(AttributeTargets.ReturnValue 53 | AttributeTargets.Parameter 54 | AttributeTargets.Field, Inherited=false)] 55 public sealed class TypeArgumentsAttribute: System.Attribute 56 { 57 /** initializes an instance with the specified value. 58 59 @param parameters 60 arrayay of names representing the types. 61 It must not be null. 62 */ TypeArgumentsAttribute(Type[] arguments)63 public TypeArgumentsAttribute(Type[] arguments) 64 { 65 m_arguments = arguments; 66 } 67 68 public Type[] Arguments 69 { 70 get 71 { 72 return m_arguments; 73 } 74 } 75 76 private Type[] m_arguments; 77 } 78 79 } 80 81