It's not a lambda expression...see example. > -----Original Message----- > From: Discussion of advanced .NET topics. [mailto:ADVANCED- > [EMAIL PROTECTED] On Behalf Of Frans Bouma > Sent: 28 February 2008 14:42 > To: ADVANCED-DOTNET@DISCUSS.DEVELOP.COM > Subject: Re: [ADVANCED-DOTNET] extensions methods and type inference.... > > > I seem to be haveing problems with extension methods.... > > > > sometimes the compiler complains... > > > > "does not contain a definition for 'BLA' and no extension method 'BLA' > > accepting a first argument of type 'WHATEVER...' could be found (are you > > missing a using directive or an assembly reference?)" > > > > (I've changed the class names to make the error readable) > > > > now one would think that that meant there that there was no solution to > > the 'pattern' match/inference....but I can actually explicitly define > the > > types e.g. > > > > x.BLA<int,object>(foo,bar); > > > > and the compiler will happily accept it...and run it. > > > > is there a bug in the type inference mechanism? > > > > if there were more than 1 solution to the inference I would expect the > > compiler to ask me to specify them...as it does sometimes....any ideas? > > if 'foo' and/or 'bar' are lambda expressions, you get this error, > as > lambda expressions in code aren't instances, they need a type to get > compiled, > and not specifying int/object in BLA forces the compiler to check the > parameter (foo/bar) to learn the type for int/object, however THOSE are > needed > for foo/bar ;) > > FB > > =================================== > This list is hosted by DevelopMentor(r) http://www.develop.com > > View archives and manage your subscription(s) at > http://discuss.develop.com
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