[Boost-users] Re: Any constructor evaluation in compile time?

From: Yutaka Leon Suematsu (yutaka_at_[hidden])
Date: 2005-03-03 22:41:36

>> I would like to ask if there is a way to evaluate, in compile time,
>> the existence of a specific constructor, except from the constructor
>> default and copy constructor (I know the functions
>> has_trivial_constructor and has_trivial_copy from the type_traits
>> library). For example in the following code, I would like to
>> evaluate the existence of both "A(const Config& config)"
>
>    You can do something like this with is_convertible<Config,A>

Thank you Dave, it works perfect.

If the constructor takes one paramater it can be used , but in the case of
two or more parameters??

Is it possible to evaluate, in compile time, the existence of a certain
member function in a class?

Thank you in advance,

Yutaka Leon Suematsu