I'm a little befuddled by the System.Web example. Would you please elaborate Scott.
On Wed, Mar 9, 2011 at 9:32 PM, Scott Koon <[email protected]> wrote: > System.Web > > On Wed, Mar 9, 2011 at 9:07 PM, Chris Tavares <[email protected]> > wrote: >> >> Hrm... is it really, though? Consider, what’s the actual contract on the >> base class that derived classes have to adhere to? >> >> >> >> Well, if CanRead returns false, calls to Read will throw. If CanRead >> returns true, Read reads stuff. >> >> If CanWrite returns false, calls to Write will throw. If it returns true, >> Write will write stuff. >> >> >> >> Etc. >> >> >> >> You can argue all you want about whether the interface is correctly >> factored (although the .NET Framework design guidelines book has some very >> interesting discussion on why the design is the way it is) but I don’t think >> you can really say that it’s a Liskov violation. >> >> >> >> -Chris >> >> >> >> From: [email protected] >> [mailto:[email protected]] On Behalf Of Kelly Leahy >> Sent: Wednesday, March 09, 2011 6:32 PM >> To: [email protected] >> Subject: Re: Your Favorite Liskov Violations Examples in .NET >> >> >> >> The entire way that streams work is an lsp violation, with >> read/canread.... >> >> On Mar 10, 2011 2:29 AM, "Chris Bilson" <[email protected]> wrote: >> > Favorite? I would't say I like it, but this is the classic: >> > >> > ICollection<string> a = new [] { "go ahead and try to add >> > something...after >> > all, I implement ICollection<>" ]; >> > a.Add("ha ha!"); >> > >> > --c >> > >> > >> > On Wed, Mar 9, 2011 at 16:46, Aeden Jameson <[email protected]> >> > wrote: >> > >> >> What are your favorite examples of violations of Liskov in the .NET >> >> framework? >> >> >> >> -- >> >> Cheers, >> >> Aeden >> >> >> >> Blog : http://aedenjameson.blogspot.com/ >> >> Linked In: http://www.linkedin.com/in/aedenjameson >> >> Blah Blah Blah: http://www.twitter.com/daliful >> >> Facebook : http://www.facebook.com/aeden.jameson >> >> >> >> -- >> >> You received this message because you are subscribed to the Google >> >> Groups >> >> "Seattle area Alt.Net" group. >> >> To post to this group, send email to [email protected]. >> >> To unsubscribe from this group, send email to >> >> [email protected]. >> >> For more options, visit this group at >> >> http://groups.google.com/group/altnetseattle?hl=en. >> >> >> >> >> > >> > -- >> > You received this message because you are subscribed to the Google >> > Groups "Seattle area Alt.Net" group. >> > To post to this group, send email to [email protected]. >> > To unsubscribe from this group, send email to >> > [email protected]. >> > For more options, visit this group at >> > http://groups.google.com/group/altnetseattle?hl=en. >> > >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Seattle area Alt.Net" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/altnetseattle?hl=en. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Seattle area Alt.Net" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/altnetseattle?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Seattle area Alt.Net" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/altnetseattle?hl=en. > -- Cheers, Aeden Blog : http://aedenjameson.blogspot.com/ Linked In: http://www.linkedin.com/in/aedenjameson Blah Blah Blah: http://www.twitter.com/daliful Facebook : http://www.facebook.com/aeden.jameson -- You received this message because you are subscribed to the Google Groups "Seattle area Alt.Net" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/altnetseattle?hl=en.
