From: Dave Thomas <dave@...>
Date: 2003-12-30T08:39:51+09:00
Subject: Re: Question about Ruby implementation


On Dec 29, 2003, at 16:22, Jamis Buck wrote:

> Dave Thomas wrote:
>>   if (something)
>>     MACRO;
>>   else
>>     puts("hello");
>>
>> With just {}'s around the macro, the second case wouldn't compile 
>> (because of the semicolon).
> ah, I understand that, I think.  But why have MACRO wrap its contents 
> in a "do{...}while(0)", instead of just "{...}"?  In other words, is 
> there a compelling reason to do this:
>

See above... Compile it in your head with just the braces...


Dave