Re: [Boost-users] [function_types] About parameter_types

Subject: Re: [Boost-users] [function_types] About parameter_types
From: Olivier Tournaire (olitour_at_[hidden])
Date: 2010-01-30 09:49:03

2010/1/30 joel falcou <joel.falcou_at_[hidden]>

> Olivier Tournaire wrote:
>
>> Hi all,
>>
>> I am trying to extract the parameters types of a given function/functor in
>> a mpl sequence. Digging boost libraries, I came across function_types, and
>> in particular parameter_types, which might be the right tool. However, I
>> cannot figure how to use it. Could you please help ?
>> Suppose I have:
>>
>> void foo(int, double);
>>
>> And would like to generate the following sequence:
>>
>> mpl::vector<int, double>
>>
>> How can I do that ?
>>
>>  You just pass the type of your function to parameters_type.
>
> typedef typename parameter_types<BOOST_TYPEOF(foo)>::type params;
>

Thank you Joel. Perfect, if typename is removed.

Regards,

Olivier

>
>
>
> --
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> Joel Falcou - Assistant Professor
> PARALL Team - LRI - Universite Paris Sud XI
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