Instance Method

performRequests:error:

Schedules Vision requests to be performed.

Declaration

- (BOOL)performRequests:(NSArray<VNRequest *> *)requests error:(NSError * _Nullable *)error;

Parameters

requests

A nonempty array of VNRequest instances to perform.

error

An optional error parameter populated when problems arise in scheduling the requests. Check if the return value is NO.

Return Value

Returns YES if all requests were scheduled and performed. If the return value is NO, check the error parameter.

Discussion

The function returns after all requests have either completed or failed. Check individual requests and errors for their respective successes and failures.

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