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@eMdOS
Created May 2, 2020 01:26
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// Obj-C
- (NSURLSessionDataTask *)dataTaskWithURL:(NSURL *)
urlcompletionHandler:(void (^)(
NSData * _Nullable data,
NSURLResponse * _Nullable response,
NSError * _Nullable error)
)completionHandler;
// Swift
func dataTask(
with url: URL,
completionHandler: @escaping (Data?, URLResponse?, Error?) -> Void
) -> URLSessionDataTask
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