I think something along the lines of <T : (Bar, Bax), S> would be a reasonable alternative to the "where" clause.
^Tum > -----Original Message----- > From: Moderated discussion of advanced .NET topics. [mailto:ADVANCED- > [EMAIL PROTECTED] On Behalf Of Dominic Cooney > Sent: Thursday, 23 October 2003 1:27 p.m. > To: [EMAIL PROTECTED] > Subject: Re: [ADVANCED-DOTNET] C# generics constraints syntax > > FWIW, the design of the Java language has gone in the other direction; the > syntax is: Foo<T extends Bar, U extends Baz>. I am not sure how multiple > constraints are specified (T extends Bar & Baz, IIRC). > > What is VB.NET doing? > > Dominic Cooney > > -----Original Message----- > From: Moderated discussion of advanced .NET topics. > [mailto:[EMAIL PROTECTED] On Behalf Of Daniel O'Connell > Sent: Thursday, 23 October 2003 9:05 AM > To: [EMAIL PROTECTED] > Subject: Re: [ADVANCED-DOTNET] C# generics constraints syntax > > I'd say readability first, personally. It'd be alot easier to read > > public class Dictionary<KeyType,ValType> where KeyType : IComparable, > ICollection, IAnotherThing, ValueType : IComparable, IDictionaryValue, > IAnotherRestriction > > than > public class Dictionary<KeyType : IComparable, ICollection, IAnotherThing, > ValueType : IComparable, IDictionaryValue, IAnotherRestriction>; > > Beyond that, I imagine parsing is easier this way. It would be tough to > determine what the second type name is, should it be named ICollection, > IAnotherThing, ValueType, etc? > > ----- Original Message ----- > From: "Thong (Tum) Nguyen" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Wednesday, October 22, 2003 5:50 PM > Subject: [ADVANCED-DOTNET] C# generics constraints syntax > > > > Hey folks, > > > > Can anyone think of a reason why the constraints syntax is this: > > > > public class Dictionary<KeyType, ValType> where KeyType : IComparable > > > > rather than this: > > > > public class Dictionary<KeyType : IComparable, ValType> > > > > ? > > > > The former adds an additional (unreserved?) keyword to the language and > > locates two related things apart from each other (the generic parameter > & > > its constraint). > > > > There's probably a good reason I've overlooked. > > > > All the best, > > > > ^Tum > > > > =================================== > > This list is hosted by DevelopMentorR http://www.develop.com > > NEW! ASP.NET courses you may be interested in: > > > > 2 Days of ASP.NET, 29 Sept 2003, in Redmond > > http://www.develop.com/courses/2daspdotnet > > > > Guerrilla ASP.NET, 13 Oct 2003, in Boston > > http://www.develop.com/courses/gaspdotnet > > > > View archives and manage your subscription(s) at > http://discuss.develop.com > > =================================== > This list is hosted by DevelopMentorR http://www.develop.com > NEW! ASP.NET courses you may be interested in: > > 2 Days of ASP.NET, 29 Sept 2003, in Redmond > http://www.develop.com/courses/2daspdotnet > > Guerrilla ASP.NET, 13 Oct 2003, in Boston > http://www.develop.com/courses/gaspdotnet > > View archives and manage your subscription(s) at > http://discuss.develop.com > > =================================== > This list is hosted by DevelopMentor. http://www.develop.com > NEW! ASP.NET courses you may be interested in: > > 2 Days of ASP.NET, 29 Sept 2003, in Redmond > http://www.develop.com/courses/2daspdotnet > > Guerrilla ASP.NET, 13 Oct 2003, in Boston > http://www.develop.com/courses/gaspdotnet > > View archives and manage your subscription(s) at > http://discuss.develop.com =================================== This list is hosted by DevelopMentorŪ http://www.develop.com NEW! ASP.NET courses you may be interested in: 2 Days of ASP.NET, 29 Sept 2003, in Redmond http://www.develop.com/courses/2daspdotnet Guerrilla ASP.NET, 13 Oct 2003, in Boston http://www.develop.com/courses/gaspdotnet View archives and manage your subscription(s) at http://discuss.develop.com
