build environment: gcc 4.5.0 on MacBook Pro running OS X 10.6.4
execution environment: same as build environment
command:  g++ --std=c++0x <filename>


auto at_or_above = [] ( int threshhold )
{
  return [threshhold] (int x)
    { return x >= threshhold; };
};


template< class Pred >
int zero( Pred ) { return 0; }

int main() { return zero( at_or_above(0) ); }