test.cpp

/***********************************************
	File Name: test.cpp
	Author: Abby Cin
	Mail: abbytsing@gmail.com
	Created Time: 1/10/19 7:25 PM
***********************************************/

#include "functor_map.h"
#include <iostream>

std::string to_str(int x)
{
	return std::to_string(x);
}

struct Foo {
	static std::string foo()
	{
		return __func__;
	}
	int operator()(int x)
	{
		return x * x;
	}
};

int main()
{
	using std::cout;
	using std::string;
	nm::FunctorMap fm;

	// bind
	fm.bind("lambda", [](int lhs, int rhs) { return lhs + rhs; });
	fm.bind("lambda2", [](string lhs, string rhs) { return lhs + rhs; });
	fm.bind("void_arg_res", [] { std::cout << "void\n"; });
	fm.bind("void_arg", [] { return "666"; });
	fm.bind("free_function", to_str);
	fm.bind("static_member_function", &Foo::foo);
	Foo foo;
	fm.bind("capture", [&foo](int x) { return foo(x); });

	fm.call<string>("none exist");
	cout << fm.call<int>("lambda", 1, 2) << '\n';
	cout << fm.call<string>(
			"lambda2", string { "hello " }, string { "world" })
	     << '\n';
	fm.call("void_arg_res");
	cout << fm.call<const char *>("void_arg") << '\n';
	cout << fm.call<string>("free_function", 233) << '\n';
	cout << fm.call<string>("static_member_function") << '\n';
	cout << fm.call<int>("capture", 16) << '\n';
	try {
		fm.call<int>("capture");
	}
	catch (const std::runtime_error &e) {
		cout << e.what() << '\n';
	}
}