Trouble with std.Variant

[Ali Çehreli via Digitalmars-d-learn]

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