STL (algorithm): for_each problem

yosep · #1 31-Oct-2003, 15:13

Hello...

I am trying to compile a program, however, the following section of the code gives me an error.

CPP / C++ / C Code:

void sig::kill (int signo)
{
  phndlist& v = smap [signo];

  struct procsig {
    int signo;
    procsig (int s): signo (s) {}
    void operator () (phnd& ph) { (*ph) (signo); }
  };

  for_each (v.begin (), v.end (), procsig (signo));  //<--TROUBLE
}

And, the error is:

sig.C: In method `void sig::kill(int)':
sig.C:171: type `sig::kill(int)::procsig' composed from a local class is not a valid template-argument

How can I go about fixing this??? Do I need to creaete another class that may contain the struct procsig??? I am very confused.
Thank you very much in advance.

Garth Farley · #2 03-Nov-2003, 11:36

It must be the fact that the procsig class is not available outside the function, to the for_each() function. I suggest you declare this struct at the top of the class, so it's available to all members of the class.

GF

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