Messages in this thread | | | Date | Wed, 23 Nov 2005 12:35:07 -0500 | From | Bill Davidsen <> | Subject | Re: Use enum to declare errno values |
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Alan Cox wrote: > On Mer, 2005-11-23 at 16:31 +0200, Denis Vlasenko wrote: > >>Enums are really nice substitute for integer constants instead of #defines. >>Enums obey scope rules, #defines do not. >> >>However enums are not widely used because of >>1. tradition and style >>2. awkward syntax required: enum { ABC = 123 }; > > > The SATA layer uses enum for constants and while it was a bit of change > in style when I met it, it does seem to work just as well >
Well, perhaps better, since there is some type checking, and where auto-increment can be used finger checks don't generate duplicate values or undefined holes in the value set.
Like the struct definitions vs. old K&R definitions, there is a mental style adjustment to be made. -- -bill davidsen (davidsen@tmr.com) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me
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