DIP 50 - AST macros

[Timon Gehr]

On 11/17/2013 09:48 PM, Walter Bright wrote:
>
> It was this by Timon Gehr essentially posting why lazy parameters
> weren't good enough:
>
>> On 11/13/2013 08:25 PM, Walter Bright wrote:
>>>>
>>>
>>> Ah, found the code:
>>>
>>> void ifthen(bool cond, lazy void dg)
>>> {
>>>      if (cond)
>>>          dg();
>>> }
>>
>> int foo(int x){
>>     ifthen(!x, return 2); // uh oh
>>     return 3;
>> }
>

This code was just supposed to demonstrate that ifthen is not actually a 
"statement" work-alike as claimed in a previous post.