Some piece of WAT, is that a bug or a feature ?

[deadalnix via Digitalmars-d]

On Sunday, 17 May 2015 at 08:48:10 UTC, Rikki Cattermole wrote:
> On 17/05/2015 8:38 p.m., deadalnix wrote:
>> So this code:
>>
>> void main() {
>>     string outs;
>>
>>     void foo() {
>>         outs ~= "prout !";
>>     }
>>
>>     import std.stdio;
>>     writeln(outs);
>> }
>>
>> Obviously print an empty string.
>>
>> Bug or feature ?
>
> Feature. foo is never called.

Damn it I fucked up when reducing my sample code.