same_name_function_and_class.cpp

#include <iostream>

class HiMyNameIs {
public:
    void SlimShady() { std::cout << "Hi! My name is (what?)" << std::endl; }
};

void HiMyNameIs() {
    std::cout << "My name is who?" << std::endl;
}

struct NameHolder {
    std::string name = "Slim Shady";
};

void NameHolder(const std::string& name) {
    std::cout << name << std::endl;
}

int main() {
    // Trying to initiate the class that matches with function name
    // will not work and will cause the following compilation error:
    // error: expected ';' before 'clazz'
    // HiMyNameIs clazz;
	
    // By adding 'class' keyword, the compiler knows we are meaning the 
    // class, not the function
    class HiMyNameIs clazz;
    clazz.SlimShady();

    // Calling a function works just as it should
    HiMyNameIs();
    
    // Same thing for a struct; the following won't compile:
    // NameHolder holder;
    
    struct NameHolder holder;
    NameHolder(holder.name);
}