56 lines
1.5 KiB
Mathematica
56 lines
1.5 KiB
Mathematica
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/**
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Copyright 2018 Google Inc. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at:
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#import "FBLPromise+Catch.h"
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#import "FBLPromisePrivate.h"
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@implementation FBLPromise (CatchAdditions)
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- (FBLPromise *)catch:(FBLPromiseCatchWorkBlock)reject {
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return [self onQueue:FBLPromise.defaultDispatchQueue catch:reject];
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}
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- (FBLPromise *)onQueue:(dispatch_queue_t)queue catch:(FBLPromiseCatchWorkBlock)reject {
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NSParameterAssert(queue);
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NSParameterAssert(reject);
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return [self chainOnQueue:queue
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chainedFulfill:nil
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chainedReject:^id(NSError *error) {
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reject(error);
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return error;
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}];
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}
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@end
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@implementation FBLPromise (DotSyntax_CatchAdditions)
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- (FBLPromise* (^)(FBLPromiseCatchWorkBlock))catch {
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return ^(FBLPromiseCatchWorkBlock catch) {
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return [self catch:catch];
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};
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}
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- (FBLPromise* (^)(dispatch_queue_t, FBLPromiseCatchWorkBlock))catchOn {
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return ^(dispatch_queue_t queue, FBLPromiseCatchWorkBlock catch) {
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return [self onQueue:queue catch:catch];
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};
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}
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@end
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