for in D versus C and C++

[Ary Borenszweig]

BCS wrote:
> Hello Sergey,
> 
>> Thu, 19 Mar 2009 06:35:37 -0400, Steve Teale wrote:
>>
>>> for (; a<b; a++);
>>>
>>> is illegal in D.
>>>
>>> Doesn't this break a lot of C and C++ code?
>>>
>> for (; a<b; a++) {}
>>
>> is legal.  I don't think that an empty statement after for is used in
>> "a lot of code."
>>
> 
> it's a trivial fix and easy to find. Heck, you hardly need to think!

It's not easy to find. I didn't understand why that "for" was illegal 
until I saw Alexander Pánek's second answer and noticed there was a 
semicolon. I didn't understand why "for (; a<b; a++)" was wrong. :-P