Re: Blocks for scope control

From:
Lew <noone@lewscanon.com>
Newsgroups:
comp.lang.java.programmer
Date:
Sun, 15 Jan 2012 11:28:38 -0800
Message-ID:
<jev9d7$nkb$1@news.albasani.net>
On 01/15/2012 09:57 AM, markspace wrote:

On 1/15/2012 7:50 AM, Arved Sandstrom wrote:

I almost never see anyone else using these things this way.


IMO, I dislike spurious and overused indentation in code, so that's likely why
I shy away from "extra" use of braces.

for( ...some code )
{
   do some init
   {
      do a little work
      {
         declare a temporary variable
      }
      {
         declare another temporary variable
      }
      {
         declare yet another temporary variable
      }
      {
         declare still yet another temporary variable
         {
            declare a temporary variable inside
            an anonymous block
         }
      }
   }
}

vs. just one level of indentation, I believe I'd greatly prefer the latter,
especially in the long run. And the above is with 3-4 spaces for indenting,
imagine what it would look like with 8.


Since eight-space indentation violates the Java coding conventions it doesn't
deserve consideration. Code that indents eight spaces should be rejected in
code review and brought into compliance.

<http://www.oracle.com/technetwork/java/codeconventions-136091.html#262>

But your larger point is valid, and you can just do this:

   for( ...some code )
   {
      do some init
      do a little work
      declare a temporary variable
      declare another temporary variable
      declare yet another temporary variable
      declare still yet another temporary variable
      declare a temporary variable inside
   }

The reason to go with the supposedly "extra" braces is to guarantee that a
temporary variable is not re-used, but if a method is so long that that's a
risk there's a good chance that it's too long.

And again I say, "anonymous block" makes no sense because blocks aren't named
in the first place.

--
Lew
Honi soit qui mal y pense.
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