| /* |
| * |
| * Copyright 2015 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #import <Foundation/Foundation.h> |
| |
| /** |
| * Concrete subclass of NSEnumerator that delegates the invocations of nextObject to a block passed |
| * on initialization. |
| */ |
| @interface GRXNSBlockEnumerator : NSEnumerator |
| /** |
| * The first time the passed block returns nil, the enumeration will end and the block will be |
| * released. |
| */ |
| - (instancetype)initWithValueSupplier:(id (^)())block; |
| @end |