/**

* @file class_ctad.cpp

* misc demo of cpp-fstring

*

* @ingroup examples

*

* @author Sandeep M

* @copyright Copyright 2023 Sandeep M<[email protected]>

* @license MIT License

*/

#include <array>

#include <iostream>

#include "fstr.h"

#include "utils.h"

// from

// https://stackoverflow.com/questions/65781641/im-trying-to-format-a-template-using-fmt

template <typename T, T Min, T Max>

class LimitedInt {

T mValue{Min};

public:

explicit LimitedInt(const T value) { setValue(value); }

void setValue(const T value) { mValue = value; }

T getValue() const { return mValue; }

};

template <auto n>

struct Auto {

int v = 1;

};

//

// from https://en.cppreference.com/w/cpp/language/class_template_argument_deduction

//

template <class T>

struct A {

T t;

// anon structs

struct {

long long a, b;

} u;

struct {

char a, b;

} v;

};

template <class T>

struct B {

T t;

A<T> a;

};

template <auto... Values>

struct ValueList {

static constexpr auto values = std::array{Values...};

};

int main()

{

using std::cout;

print_info(__FILE__, __TIMESTAMP__);

A<int> a{1, {2, 3}, {'a', 'b'}};

auto b = B<int>{1, a};

cout << "{a=}\n{b=}\n";

cout << "{ValueList<1, 2, 3>()=}\n";

cout << "{ValueList<'a', 'b', 'c'>()=}\n";

cout << "{ValueList<true, false, false>()=}\n";

}