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The best ever MSDN help page

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  • L leppie

    Basically the cool thing about that page is that you can 'bind' the first parameter of the delegate, so in effect you can create 'composed' expressions.

    xacc.ide - now with TabsToSpaces support
    IronScheme - 1.0 alpha 4 out now (27 May 2008)

    U Offline
    U Offline
    User of Users Group
    wrote on last edited by
    #12

    Don't see where that greatly helps you, perhaps I'm missing a particular scenario as you can either pass another expression which converts to object (blewh) or you could just go and do composition with Func<T,..> No? If you want expression templates well, C# doesn't have them; they designed the tedium of C# compiler away with that signature :)

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    • C Christopher Duncan

      leppie wrote:

      I meant it as a compliment.

      That's the part I didn't get. :) I've become so accustomed to the incredibly poor quality of documentation coming from MS these days that I just assumed it was a well deserved snarky commentary. Quality documentation from MSDN - who knew?

      Christopher Duncan Author of The Career Programmer and Unite the Tribes www.PracticalUSA.com

      C Offline
      C Offline
      Chris Maunder
      wrote on last edited by
      #13

      That's exactly my reaction. I was thinking "hang on - this actually looks really good. Why is he dissing it". Then I turned off auto-sarcasm and it became clear.

      cheers, Chris Maunder

      CodeProject.com : C++ MVP

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      • C Chris Maunder

        That's exactly my reaction. I was thinking "hang on - this actually looks really good. Why is he dissing it". Then I turned off auto-sarcasm and it became clear.

        cheers, Chris Maunder

        CodeProject.com : C++ MVP

        C Offline
        C Offline
        Christopher Duncan
        wrote on last edited by
        #14

        Chris Maunder wrote:

        Then I turned off auto-sarcasm

        Yeah, it took me a minute to remember where the switch was.

        Christopher Duncan Author of The Career Programmer and Unite the Tribes www.PracticalUSA.com

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        • L leppie

          Delegate..::.CreateDelegate Method (Type, Object, MethodInfo, Boolean) [^] Wow :)

          xacc.ide - now with TabsToSpaces support
          IronScheme - 1.0 alpha 4 out now (27 May 2008)

          M Offline
          M Offline
          Member 96
          wrote on last edited by
          #15

          Yeah that is pretty good. For once even their example code isn't unnecessarily convoluted and complex for no apparent reason (something they've always been guilty of). I like the redesign too (I've been avoiding MSDN for probably a year now at least).


          "The great pleasure in life is doing what people say you cannot do." - Walter Bagehot

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          • C Chris Maunder

            That's exactly my reaction. I was thinking "hang on - this actually looks really good. Why is he dissing it". Then I turned off auto-sarcasm and it became clear.

            cheers, Chris Maunder

            CodeProject.com : C++ MVP

            L Offline
            L Offline
            leppie
            wrote on last edited by
            #16

            Hey, I dont always rant! :) PS: I even took the time to explain to the author why I called her article 'Useless'.

            xacc.ide - now with TabsToSpaces support
            IronScheme - 1.0 alpha 4 out now (27 May 2008)

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            • U User of Users Group

              Don't see where that greatly helps you, perhaps I'm missing a particular scenario as you can either pass another expression which converts to object (blewh) or you could just go and do composition with Func<T,..> No? If you want expression templates well, C# doesn't have them; they designed the tedium of C# compiler away with that signature :)

              L Offline
              L Offline
              leppie
              wrote on last edited by
              #17

              Basically it lets you make curried functions (functions with 1 free variable). So imagine you have foo(a,b). Now you can say bar(b) = foo(1,b). And call bar(x), and foo(1,x) gets executed.

              xacc.ide - now with TabsToSpaces support
              IronScheme - 1.0 alpha 4 out now (27 May 2008)

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              • C Christopher Duncan

                Chris Maunder wrote:

                Then I turned off auto-sarcasm

                Yeah, it took me a minute to remember where the switch was.

                Christopher Duncan Author of The Career Programmer and Unite the Tribes www.PracticalUSA.com

                G Offline
                G Offline
                Gary Wheeler
                wrote on last edited by
                #18

                I'm middle-aged. My switch atrophied and fell off years ago.

                Software Zen: delete this;

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                • C Christopher Duncan

                  Chris Maunder wrote:

                  Then I turned off auto-sarcasm

                  Yeah, it took me a minute to remember where the switch was.

                  Christopher Duncan Author of The Career Programmer and Unite the Tribes www.PracticalUSA.com

                  V Offline
                  V Offline
                  Vincent Curry
                  wrote on last edited by
                  #19

                  Maybe we should have a new rule for posting in the Lounge, as in all posts should be sarcastic?

                  Vincent www.pub-olympics.com

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                  • V Vincent Curry

                    Maybe we should have a new rule for posting in the Lounge, as in all posts should be sarcastic?

                    Vincent www.pub-olympics.com

                    D Offline
                    D Offline
                    Dan Neely
                    wrote on last edited by
                    #20

                    Vincent Curry wrote:

                    Maybe we should have a new rule for posting in the Lounge, as in all posts should be sarcastic?

                    That's an utterly brillant idea.

                    You know, every time I tried to win a bar-bet about being able to count to 1000 using my fingers I always got punched out when I reached 4.... -- El Corazon

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                    • C Chris Maunder

                      That's exactly my reaction. I was thinking "hang on - this actually looks really good. Why is he dissing it". Then I turned off auto-sarcasm and it became clear.

                      cheers, Chris Maunder

                      CodeProject.com : C++ MVP

                      S Offline
                      S Offline
                      stevev6
                      wrote on last edited by
                      #21

                      Sounds like something that Ms. Clinton would use.

                      1 Reply Last reply
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                      • L leppie

                        Basically it lets you make curried functions (functions with 1 free variable). So imagine you have foo(a,b). Now you can say bar(b) = foo(1,b). And call bar(x), and foo(1,x) gets executed.

                        xacc.ide - now with TabsToSpaces support
                        IronScheme - 1.0 alpha 4 out now (27 May 2008)

                        U Offline
                        U Offline
                        User of Users Group
                        wrote on last edited by
                        #22

                        Not sure what you're trying to do with it again but I think people are doing that without explicit CreateDelegate (should be "new delegate" construct generated by compiler) or whatever it was along the shorthand lines of: public static Func< T, Func<U, Z>> Curry<T, U, Z>(Func<T, U, Z> fn) { return new Func<Func<T, U, Z>, Func<T, Func<U, Z>>>( f => x => y => f(x, y))(fn); } if that makes any sense. Probably not what you want but you can split it up and use extension methods. It doesn't look good to me, because it is pure C# unreadable :)

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                        • U User of Users Group

                          Not sure what you're trying to do with it again but I think people are doing that without explicit CreateDelegate (should be "new delegate" construct generated by compiler) or whatever it was along the shorthand lines of: public static Func< T, Func<U, Z>> Curry<T, U, Z>(Func<T, U, Z> fn) { return new Func<Func<T, U, Z>, Func<T, Func<U, Z>>>( f => x => y => f(x, y))(fn); } if that makes any sense. Probably not what you want but you can split it up and use extension methods. It doesn't look good to me, because it is pure C# unreadable :)

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                          L Offline
                          leppie
                          wrote on last edited by
                          #23

                          That is exactly what I am saying :) But this way allows you to do it to languages that does not support that compiler construct, or programatically.

                          xacc.ide - now with TabsToSpaces support
                          IronScheme - 1.0 alpha 4a out now (29 May 2008)

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                          • D Dan Neely

                            Vincent Curry wrote:

                            Maybe we should have a new rule for posting in the Lounge, as in all posts should be sarcastic?

                            That's an utterly brillant idea.

                            You know, every time I tried to win a bar-bet about being able to count to 1000 using my fingers I always got punched out when I reached 4.... -- El Corazon

                            S Offline
                            S Offline
                            SimonRigby
                            wrote on last edited by
                            #24

                            dan neely wrote:

                            That's an utterly brillant idea.

                            OK was that sarcasm? :)

                            The only thing unpredictable about me is just how predictable I'm going to be.

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                            • C Christopher Duncan

                              leppie wrote:

                              I meant it as a compliment.

                              That's the part I didn't get. :) I've become so accustomed to the incredibly poor quality of documentation coming from MS these days that I just assumed it was a well deserved snarky commentary. Quality documentation from MSDN - who knew?

                              Christopher Duncan Author of The Career Programmer and Unite the Tribes www.PracticalUSA.com

                              J Offline
                              J Offline
                              JamminJimE
                              wrote on last edited by
                              #25

                              Wow! It's almost like a bigfoot sighting or UFO encounter (except this time we DIDN'T get probed)! You know, they are going to read these posts and IMMEDIATELY take down that page. Everyone, QUICK!!! Save that HTML to your local machine. That way we have proof!! hehehehe :laugh:

                              JamminJimE Microsoft Certified Application Developer
                              Why are we still calling it Common Sense when it's just not that common?

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                              • G Gary Wheeler

                                I'm middle-aged. My switch atrophied and fell off years ago.

                                Software Zen: delete this;

                                M Offline
                                M Offline
                                macu
                                wrote on last edited by
                                #26

                                You can get that seen to these days you know.

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                                • M macu

                                  You can get that seen to these days you know.

                                  G Offline
                                  G Offline
                                  Gary Wheeler
                                  wrote on last edited by
                                  #27

                                  Yes, but the prosthetics are so ... unsatisfying.

                                  Software Zen: delete this;

                                  M 1 Reply Last reply
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                                  • G Gary Wheeler

                                    Yes, but the prosthetics are so ... unsatisfying.

                                    Software Zen: delete this;

                                    M Offline
                                    M Offline
                                    macu
                                    wrote on last edited by
                                    #28

                                    Well isn't everything at this age... [sigh]

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                                    • L leppie

                                      Basically it lets you make curried functions (functions with 1 free variable). So imagine you have foo(a,b). Now you can say bar(b) = foo(1,b). And call bar(x), and foo(1,x) gets executed.

                                      xacc.ide - now with TabsToSpaces support
                                      IronScheme - 1.0 alpha 4 out now (27 May 2008)

                                      G Offline
                                      G Offline
                                      Gary Wheeler
                                      wrote on last edited by
                                      #29

                                      <Homer_sound> Hmmm.... Curry... </Homer_sound>

                                      Software Zen: delete this;

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                                      • S SimonRigby

                                        dan neely wrote:

                                        That's an utterly brillant idea.

                                        OK was that sarcasm? :)

                                        The only thing unpredictable about me is just how predictable I'm going to be.

                                        A Offline
                                        A Offline
                                        allodoxaphobia
                                        wrote on last edited by
                                        #30

                                        you catch on quickly

                                        S 1 Reply Last reply
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                                        • A allodoxaphobia

                                          you catch on quickly

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                                          S Offline
                                          SimonRigby
                                          wrote on last edited by
                                          #31

                                          I try :)

                                          The only thing unpredictable about me is just how predictable I'm going to be.

                                          1 Reply Last reply
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