On Tue, Dec 01, 2015 at 09:21:26AM +0100, Ladislav Slezak wrote: > Dne 24.11.2015 v 16:45 Josef Reidinger napsal(a): > > On Tue, 24 Nov 2015 15:47:24 +0100 > > Stefan Hundhammer <[email protected]> wrote: > [...] > >> I have to do different things. To stay with the current example: A > >> disk might have > >> > >> - an old-style MS-DOS type partition table with 4 slots (where I need > >> to use an extended partition if I need any more partitions) > >> > >> - a new style GPT partition table that can have any number of > >> parititions > >> > >> - a filesystem directly on the disk device without any partition table > > > > So for me I can see it as three types of partition table - msdos, gpt > > and no. I do not see why is better to have > > > > begin > > if gpt? > > elsif msdos? > > end > > rescue > > # no partition table case > > end > > If no partition is a valid use case (and it is as mentioned above) then it > does > not make sense to raise exception in that case. Exceptions should be used only > in error cases to handle *unexpected* things...
No, to quote Stroustrup: "exceptions are used to signal errors that cannot be handled locally". Casting to a wrong type or requesting a non-existing object is an error that cannot be handled locally and thus must be signaled, e.g. by an exception. Regards, Arvin -- Arvin Schnell, <[email protected]> Senior Software Engineer, Research & Development SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) Maxfeldstraße 5 90409 Nürnberg Germany -- To unsubscribe, e-mail: [email protected] To contact the owner, e-mail: [email protected]
