C/C++ compound litterals

ccompounds.c

#include <stdio.h>

void dummy(float *blblbl)
{
  int i;

  for (i = 0; i < 2; i++)
    printf("%f\n", blblbl[i]);
}

int main()
{
  int i;

  dummy((float[]){ 42, 69 });
  int (*owi)[] = &(int[]){ 1, 2, 3, 4 };

  for (i = 0; i < 4; i++)
    printf("%d\n", (*owi)[i]);
  return (0);
}

cppcompounds.cpp

#include <iostream>
#include <utility>

template<typename T>
struct $ {
  T& val;
  constexpr $(T&& val) : val(val) {}
  constexpr T *operator&() const { return (&this->val); }
  constexpr operator T&() { return (this->val); }
};

void dummy(float *blblbl)
{
  int i;

  for (i = 0; i < 2; i++)
    std::cout << blblbl[i] << std::endl;
}

int main(int, char**)
{
  int i;

  dummy($<float[]>({ 42, 69 }));
  auto owi = &$<int[]>({ 1, 2, 3, 4 });
  for (i = 0; i < 4; i++)
    std::cout << (*owi)[i] << std::endl;
  return (0);
}

test.txt

$ gcc ccompounds.c -W -Wall -Wextra -std=c89
$ ./a.out
42.000000
69.000000
1
2
3
4
$ g++ cppcompounds.cpp -W -Wall -Wextra -pedantic -std=c++14
$ ./a.out
42
69
1
2
3
4