[boost] Detecting static member constants on GCC

From: David Abrahams (dave_at_[hidden])
Date: 2005-03-31 13:15:26

It seems GCC 3.3.3 doesn't like to do SFINAE based on the validity of
T::value:

  int f(...);

  template <class T>
  int f(T, int(*)[T::value] = 0);

  int x = f(1); // error: `int' is not an aggregate type

The same applies when eliminating partial specializations via SFINAE.
Has anyone got an alternative approach?

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com