Re: The world's evilest code formatting style

From:
"mlimber" <mlimber@gmail.com>
Newsgroups:
comp.lang.c++
Date:
5 Jun 2006 10:09:37 -0700
Message-ID:
<1149527377.321714.7260@i40g2000cwc.googlegroups.com>
Alf P. Steinbach wrote:

The final revelation which made me stop was that the style does not
support inline blocks, which in turn means it doesn't support the
important guideline

   * in C++, declare variables close to their first usage, and limit
     their scopes as much as practically possible.

E.g., the code

   for( int i = 0; i < 100; ++i )
   {
       std::cout << "whatever\n";
       {
           double const x = f( i );
           // Do things with x
       }
       {
           double const y = f( i );
           // Do things with y
       }
   }

becomes less than readable with the indented braces style,

   for( int i = 0; i < 100; ++i )
       {
       std::cout << "whatever\n";
           {
           double const x = f( i );
           // Do things with x
           }
           {
           double const y = f( i );
           // Do things with y
           }
       }

Not that this kind of thing occurs very often in practice, but it's the
principle.


I agree with your principle, certainly, but in multithreaded
programming, local blocks like that are not so rare if a ScopedLock
pattern is used (see, e.g., Boost.Threads' boost::mutex::scoped_lock
which is demonstrated here
http://www.ddj.com/showArticle.jhtml?documentID=cuj0205kempf&pgno=5).

Cheers! --M

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