Re: [boost] determine first arg of callable

Subject: Re: [boost] determine first arg of callable
From: Oliver Kowalke (oliver.kowalke_at_[hidden])
Date: 2013-05-15 13:34:56

2013/5/15 Mathias Gaunard <mathias.gaunard_at_[hidden]>

> On 15/05/13 18:30, Oliver Kowalke wrote:
>
>    void run() {
>>>     Q< Arg > q;
>>>     fn( q)
>>>   } // argument construction omitted
>>> };
>>>
>>>
>> concrete implementation - calls default ctor of Q< Arg > in D::run() and
>> passes instance of Q< Arg > to fn
>>
>
> How can you pass a Q<Arg> to a function expecting an Arg?
>

because Fn takes a Q< Arg > as argument? as I wrote - in the prvious
example I omitted the detail of Q<>.