Source Edit

Types

Procs

proc checkNil[T](value: T; msg: string): Raises Metal4Error when an Objective-C handle is nil. Source Edit
proc checkNSError(error: NSError; msg: string) {....raises: [Metal4Error], tags: [RootEffect], forbids: [].}: Raises Metal4Error when NSError is present. Source Edit
proc isNil[T](value: T): bool: Returns true when an Objective-C handle is nil. Source Edit
proc messageNSError(error: NSError; msg: string): string {....raises: [], tags: [RootEffect], forbids: [].}: Returns a readable error message for an NSError value. Source Edit