CFErrorCopyUserInfo(_:)
Returns the user info dictionary for a given CFError.
Declaration
func CFErrorCopyUserInfo(_ err: CFError!) -> CFDictionary!Parameters
- err:
The error to examine. If this is not a valid CFError, the behavior is undefined.
Return Value
A dictionary containing the same keys and values as in the userInfo dictionary err was created with. Returns an empty dictionary if NULL was supplied to the create function. Ownership follows the The Create Rule.