flopbucket wrote:
> I am having some problem using std::bind1st() and mem_fun. I want to
> bind member function calls to some kind of functor so it can be called
> later.
>
> The following works fine for me:
>
> class Foo
> {
> std::string name;
> public:
> Foo() : name("mike") {}
>
> std::string getName()
> {
> return name;
> }
>
> void setName(std::string n)
> {
> name = n;
> }
> };
>
> typedef std::binder1st<std::mem_fun1_t<void, Foo, std::string > >
> SetterFunc;
>
> main()
> {
> Foo foo;
>
> SetterFunc f = std::bind1st(mem_fun(&Foo::setName), &foo);
>
> std::string test("testing");
> f(test);
>
> std::cout << "after call, name is " << foo.getName() <<
> std::endl;
> }
>
>
> But when I want to bind the getName() method, I have lots of trouble:
>
> typedef std::binder1st<std::mem_fun_t<std::string, Foo > > GetterFunc;
> GetterFunc y = std::bind1st(mem_func(&Foo::getName), &foo);

What kind of trouble? Why couldn't you post non-working code instead?

> I think I don't want to use bind1st because the getName() method takes
> no parameters? Is there a std::bind() ?

Why wouldn't you? 'bind1st' makes sure that the member function is
called with the particular instance, 'foo'.

>
> Also, what if setName() takes "const std::string&" instead of just
> "std::string" ? Do I need mem_fun_ref or some const variation of it?

Probably. Have tried it an failed or what?

V
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