[boost] Is there interest in a library for testing existence of a function member of class?

Subject: [boost] Is there interest in a library for testing existence of a function member of class?
From: ºúά (huwei04_at_[hidden])
Date: 2014-11-22 04:36:40

Hi, 
I am looking for how to test if a function member of class exist or not in compile time.I did not find a solution by google so I wrote a piece of code for it.Please let me know if it's already in boost. :)
Synopsis
class Bar
{
public:
  Bar(int);
};
 
class Foo
{
public:
  Foo(int);
  int foo(Bar);
};

// create struct 'has_foo' which is used to test function member 'foo'.HAS_FUNCTION_MEMBER(foo)
 
int main()
{
   assert((!has_foo<void(Bar::*)(Bar)>::value));
   assert((has_foo<int(Foo::*)(Bar)>::value));
   return 0;
}
The code is in my gisthttps://gist.github.com/wehu/1987f716074904d26cf0

The code only checks if the function is compatible with expected, but not require to be exact same.
Thanks,Wei