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Subject: Re: DOCBOOK: Prototypes of C++ methods
On Wed, 22 Mar 2000, Norman Walsh wrote: > >| Packet * receive (const bool Block = false); >| >| But how do I get an extra 'const' in there? Like this? >| >| Packet * receive (const bool Block = false) const; >| >| I haven't found any way of doing it. Can it be done, or have I just >| misunderstood something? I hope this kind of question is relevant for this >| list, otherwise I apologize. > >It's definitely relevant. The new ClassSynopsis stuff in DocBook >V4.0 is intended to provide better support for object oriented >languages, but this appears to just be a function (as opposed to >a method) with additional modifiers. I don't think we've covered >that case yet. It is a method, but I explain in the paragraphs before the method prototype what is all about. Like this: Bla, bla, blaa, we have the very nice class Foo with the following handy method: Packet * receive (const bool Block = false) const; >Refresh my C++ :-), what does the trailing const mean in this case? it tells the compiler/you that the method in question will not alter the used object in any way, or return something that could be used to do it. It is a good habit to clearly state with 'const' which methods of a class fill that property. As an other question regarding <funcsynopsis>, is it possible to control the width of the generated funtion prototype somehow? I have a lot of those prototypes, and many have at least three parameters, which means that the print output is split on two lines, which reduces readability. I use <programlisting> a lot too, andit has a 'width' attribute which lets me specify the number of characters on one line. It would be nice if that could be done with <funcsynopsis> too. Regards, Chakie ---------------------+------------------------------------------------------ Jan 'Chakie' Ekholm | CS at Åbo Akademi University, Turku, Finland Linux Inside | I'm the blue screen of death, no-one hears you scream
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