pub type XCWaitCompletionHandler = *mut DynBlock<dyn Fn(*mut NSError)>;Available on crate feature
block2 only.Expand description
A block to be invoked when a call to -waitForExpectationsWithTimeout:handler: times out or has had all associated expectations fulfilled.
Parameter error: If the wait timed out or a failure was raised while waiting, the error’s code
will specify the type of failure. Otherwise error will be nil.
See also Apple’s documentation