hia3

#include <boost/hana/tuple.hpp>

template <typename T>
struct tt
{
};

int main()
{
    const tt<int> xn1; const tt<char> xn2;

hia3

#include <boost/hana/set.hpp>
#include <boost/hana/tuple.hpp>
#include <boost/hana/type.hpp>

int main()
{
    boost::hana::tuple<boost::hana::type<int>, boost::hana::type<char>> t;
    auto set_types = boost::hana::to_set(t);

    // runtime error: constructor call on address 0x003fde6ff8a2 with insufficient space for an object of type

hia3

#include "ergodox_ez.h"
#include "debug.h"
#include "action_layer.h"

#define BASE 0 // default layer
#define SYMB 1 // symbols
#define MDIA 2 // media keys

#define TD_A 0 // use TD(TD_A)
#define TD_S 1 // use TD(TD_B)