| commit | author | age | ||
| a6c014 | 1 | /** |
| L | 2 | Copyright 2018 Google Inc. All rights reserved. |
| 3 | ||
| 4 | Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 | you may not use this file except in compliance with the License. | |
| 6 | You may obtain a copy of the License at: | |
| 7 | ||
| 8 | http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | ||
| 10 | Unless required by applicable law or agreed to in writing, software | |
| 11 | distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 | See the License for the specific language governing permissions and | |
| 14 | limitations under the License. | |
| 15 | */ | |
| 16 | ||
| 17 | #import "FBLPromise.h" | |
| 18 | ||
| 19 | NS_ASSUME_NONNULL_BEGIN | |
| 20 | ||
| 21 | @interface FBLPromise<Value>(DoAdditions) | |
| 22 | ||
| 23 | typedef id __nullable (^FBLPromiseDoWorkBlock)(void) NS_SWIFT_UNAVAILABLE(""); | |
| 24 | ||
| 25 | /** | |
| 26 | Creates a pending promise and executes `work` block asynchronously. | |
| 27 | ||
| 28 | @param work A block that returns a value or an error used to resolve the promise. | |
| 29 | @return A new pending promise. | |
| 30 | */ | |
| 31 | + (instancetype)do:(FBLPromiseDoWorkBlock)work NS_SWIFT_UNAVAILABLE(""); | |
| 32 | ||
| 33 | /** | |
| 34 | Creates a pending promise and executes `work` block asynchronously on the given queue. | |
| 35 | ||
| 36 | @param queue A queue to invoke the `work` block on. | |
| 37 | @param work A block that returns a value or an error used to resolve the promise. | |
| 38 | @return A new pending promise. | |
| 39 | */ | |
| 40 | + (instancetype)onQueue:(dispatch_queue_t)queue do:(FBLPromiseDoWorkBlock)work NS_REFINED_FOR_SWIFT; | |
| 41 | ||
| 42 | @end | |
| 43 | ||
| 44 | /** | |
| 45 | Convenience dot-syntax wrappers for `FBLPromise` `do` operators. | |
| 46 | Usage: FBLPromise.doOn(queue, ^(NSError *error) { ... }) | |
| 47 | */ | |
| 48 | @interface FBLPromise<Value>(DotSyntax_DoAdditions) | |
| 49 | ||
| 50 | + (FBLPromise * (^)(dispatch_queue_t, FBLPromiseDoWorkBlock))doOn FBL_PROMISES_DOT_SYNTAX | |
| 51 | NS_SWIFT_UNAVAILABLE(""); | |
| 52 | ||
| 53 | @end | |
| 54 | ||
| 55 | NS_ASSUME_NONNULL_END | |
