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// Copyright 2017 Google
//
// 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>
NS_ASSUME_NONNULL_BEGIN
/** Helper for creating a general exception for invalid usage of an API. */
NSException *FUNInvalidUsage(NSString *exceptionName, NSString *format, ...);
/**
* Macro to throw exceptions in response to API usage errors. Avoids the lint warning you usually
* get when using @throw and (unlike a function) doesn't trigger warnings about not all codepaths
* returning a value.
*
* Exceptions should only be used for programmer errors made by consumers of the SDK, e.g.
* invalid method arguments.
*
* For recoverable runtime errors, use NSError**.
* For internal programming errors, use FSTFail().
*/
#define FUNThrowInvalidArgument(format, ...) \
do { \
@throw FUNInvalidUsage(@"FIRInvalidArgumentException", format, ##__VA_ARGS__); \
} while (0)
NS_ASSUME_NONNULL_END
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