#include<iostream>
#include<cstring>
using namespace std;

template<class ftype>
void apply_to_argv(int argc, char ** argv, ftype fn){
	for(int i = 0; i < argc; i++)
		fn(argv[i]);
}


int main(int argc, char ** argv){

	auto print_with_length = [](char* arg){
		cout << arg << " (" << strlen(arg) << " characters)\n";
	};


	int sum = 0;
	auto count_chars = [&sum](char* arg){
		sum += strlen(arg);
		cout << "sum:  " << sum << endl;
	};
	apply_to_argv(argc, argv, print_with_length);
	apply_to_argv(argc, argv, count_chars);
	cout << "Total Characters:  " << sum << endl;

	apply_to_argv(argc, argv, [](char* arg){
		for(;*arg; arg++)
			*arg = toupper(*arg);	
	});

	apply_to_argv(argc, argv, print_with_length);

	char *like_argv[] = {"one", "two", "raccoon", "blender", "toaster"};
	apply_to_argv(5, like_argv, print_with_length);
	apply_to_argv(5, like_argv, count_chars);
	cout << "Total Characters:  " << sum << endl;


	return 0;
}