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60 lines
2.1 KiB
60 lines
2.1 KiB
/** |
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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.h" |
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NS_ASSUME_NONNULL_BEGIN |
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@interface FBLPromise<Value>(ValidateAdditions) |
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typedef BOOL (^FBLPromiseValidateWorkBlock)(Value __nullable value) NS_SWIFT_UNAVAILABLE(""); |
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/** |
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Validates a fulfilled value or rejects the value if it can not be validated. |
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@param predicate An expression to validate. |
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@return A new pending promise that gets either resolved with same resolution as the receiver or |
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rejected with `FBLPromiseErrorCodeValidationFailure` error code in `FBLPromiseErrorDomain`. |
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*/ |
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- (FBLPromise *)validate:(FBLPromiseValidateWorkBlock)predicate NS_SWIFT_UNAVAILABLE(""); |
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/** |
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Validates a fulfilled value or rejects the value if it can not be validated. |
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@param queue A queue to dispatch on. |
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@param predicate An expression to validate. |
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@return A new pending promise that gets either resolved with same resolution as the receiver or |
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rejected with `FBLPromiseErrorCodeValidationFailure` error code in `FBLPromiseErrorDomain`. |
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*/ |
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- (FBLPromise *)onQueue:(dispatch_queue_t)queue |
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validate:(FBLPromiseValidateWorkBlock)predicate NS_REFINED_FOR_SWIFT; |
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@end |
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/** |
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Convenience dot-syntax wrappers for `FBLPromise` `validate` operators. |
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Usage: promise.validate(^BOOL(id value) { ... }) |
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*/ |
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@interface FBLPromise<Value>(DotSyntax_ValidateAdditions) |
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- (FBLPromise * (^)(FBLPromiseValidateWorkBlock))validate FBL_PROMISES_DOT_SYNTAX |
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NS_SWIFT_UNAVAILABLE(""); |
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- (FBLPromise * (^)(dispatch_queue_t, FBLPromiseValidateWorkBlock))validateOn |
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FBL_PROMISES_DOT_SYNTAX NS_SWIFT_UNAVAILABLE(""); |
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@end |
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NS_ASSUME_NONNULL_END
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