Subject: Re: [Boost-users] Bimap compare function
From: Nathan Ridge (zeratul976_at_[hidden])
Date: 2012-05-04 23:38:28
> I noticed that the comparator for a bimap can only be a Functor Type.
> It does not appear that I can pass a function object or a function
> pointer, as a STL Set would allow. Is this correct or did I miss
> something. For my application I could really use the ability to pass in
> comparator which is decided at runtime. Does anyone have any
> suggestions on a work around?
I'm not familiar with bimap, but is there a reason you can't wrap a
function pointer (that can change at runtime) in a functor? Something
like:
typedef int (*function_type)(int);
struct my_functor
{
function_type f; // change this at runtime
int operator()(int i)
{
return f(i);
}
};
Regards,
Nate