Raba said: If a hefker loaf lies before a man, and he declares, 'This loaf be hekdesh', and he takes it to eat it, he trespasses in respect of its entire value; if to leave it to his children, he trespasses in respect of its goodwill value only. R. Hiyya b. Abin asked Raba: [What if one says to his neighbour,] 'My loaf [be forbidden] to you,' and then gifts it to him: now, he said, 'my loaf,' meaning only so long as it IS In his own possession; or perhaps, having said '[be forbidden] to you,' he has rendered it to him hekdesh? — He replied: It is obvious that even if he gifted it to him, it is forbidden. For what was it [his vow] to exclude? Surely not the case where it would be stolen from him? — He replied, No: It excludes the case where he invites him for it.