Re: [Boost-users] a question on boost::is_function

From: Howard Hinnant (hinnant_at_[hidden])
Date: 2005-01-05 12:55:16

On Jan 5, 2005, at 11:12 AM, Kevin Lee wrote:

> should the following code return: true or false?
>
>       boost::is_function<int (*)(int)>::value
>
> if the result is false, why? I don't understand it.
> if the result is true, the code of
> boost_1_32_0/libs/type_traits/test/is_function_test.cpp line 42 expect 
> it
> to be false.
>
> could someone help me with this?

int (*)(int) is a pointer, not a function.

boost::is_pointer<int (*)(int)>::value should be true.  Also 
is_function<int (int)>::value should be true.  And 
is_function<:remove_pointer<int (*)(int)>::type>::value should also be 
true.

-Howard