Will macros work with expressions?

[Bill Baxter]

Xinok wrote:
> Bill Baxter wrote:
>> A question about the upcoming macros:
>> Will they work for expressions as well as statements?
>>
>> The examples in WalterAndrei.pdf all show complete statements,
>> like
>>    macro foo(e) { e=3; }
>>
>> But will it be possible to have:
>>    macro foo(e) { e+3 }
>>
>> I hope expressions will be allowed.  Not for things like e+3 but for 
>> making local shortcuts where aliases don't cut it:
>>
>>    macro call_func( arg ) {
>>       $this.some_member.a_really_long_named_template_member(arg);
>>    }
>>    ...
>>    writefln(call_func(1));
>>    writefln(call_func("hi"));
>>
>> And I'm sure there'd be any number of other uses for expression macros.
>>

 > I agree that macro expressions should be allowed. However, I think a
 > better syntax would be:
 >
 > macro foo(e) = e + 3;
 >

I like that. But what about an expression with a few preliminary 
statements setting up temp variables and such?

--bb