Provide example for using class functions

[vit-vit]

Provide example for using class functions

[vit-vit]

you can pass the pointer to the class in the labda capture clause.

struct Hello {
    void print(int id);
};

Hello hello;
p.push([&hello](int id){ hello.print(id); });

then a different overload of the threadpool push function is used. This overload is better because it does not use std::bind and hence does less copy constructions of parameters.
You can pass also pointer this, if you need to call a member function from another member function.

p.push([=this](int id){ this->member_function(); });

[Keeo]

It can be done combination of these two exapmles.

p.push(third, "additional_param"); 
p.push( [] (int id){ std::cout << "hello from " << id << '\n'; });

//Like this:
struct Hello
{
    void print(int id) {std::cout<<"Hello from:"<<id<<std::endl;}
}

Hello hello;
p.push([](int id, Hello* hello){ hello->print(id);}, &hello); 

[Keeo]

Thank you, lambda functions are still quite new for me.