1 /* 2 * 3 * Copyright 2015 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 #import "RxLibrary/GRXForwardingWriter.h" 20 21 /** A "proxy" writer that transforms all the values of its input writer by using a mapping function. 22 */ 23 @interface GRXMappingWriter : GRXForwardingWriter 24 - (instancetype)initWithWriter:(GRXWriter *)writer 25 map:(id (^)(id value))map NS_DESIGNATED_INITIALIZER; 26 @end 27