talybin · August 5, 2021 23:48 · talybin · Aug 4, 2021
diff --git a/inner_struct.cpp b/inner_struct.cpp
 #include <iostream>
 #include <string_view>

 template <class T>
 constexpr std::string_view type_name(const T&)
 {
    std::string_view sv = __PRETTY_FUNCTION__;

    sv.remove_prefix(sv.find('=') + 2);
    return { sv.data(), sv.find(';') };
 }

 auto test()
 {
    struct inner { };
    return inner();
 };

 int main()
 {   
    // Type of inner struct ...
    std::cout << type_name(test()) << '\n';

    // ... compared to type of lambda
    auto f = []{ };
    std::cout << type_name(f) << '\n';
 }
	#include <iostream>
	#include <string_view>

	template <class T>
	constexpr std::string_view type_name(const T&)
	{
	std::string_view sv = __PRETTY_FUNCTION__;

	sv.remove_prefix(sv.find('=') + 2);
	return { sv.data(), sv.find(';') };
	}

	auto test()
	{
	struct inner { };
	return inner();
	};

	int main()
	{
	// Type of inner struct ...
	std::cout << type_name(test()) << '\n';

	// ... compared to type of lambda
	auto f = []{ };
	std::cout << type_name(f) << '\n';
	}