Trouble with std.Variant

[Nicolas Sicard via Digitalmars-d-learn]

On Thursday, 18 September 2014 at 21:14:55 UTC, Ali Çehreli wrote:
> On 09/18/2014 02:06 PM, ddos wrote:
>> The following code fails because Vec2.length() does not return 
>> int ...
>> so Variant is only usable with types that do not have a method 
>> with name
>> length() ?? i'm confused
>>
>> On Thursday, 18 September 2014 at 21:03:47 UTC, ddos wrote:
>>> struct Vec2
>>> {
>>>    float[2] vec;
>>>
>>>    public float length()
>>>    {
>>>        return sqrt(vec[0]*vec[0]+vec[1]*vec[1]);
>>>    }
>>> }
>>>
>>> int main(string[] argv)
>>> {
>>>    Vec2 test;
>>>    Variant v = test;
>>>    return 0;
>>> }
>>
>
> Compiles and runs without error with dmd git head, after adding 
> the following two lines: ;)
>
> import std.math;
> import std.variant;
>
> Ali

It shouldn't work in dmd git head. See Andrei's answer in
https://issues.dlang.org/show_bug.cgi?id=5501