auto ret = []

for (auto i = 0; i < 5; ++i) {
  ret.push_back(i);
}

assert_equal([0,1,2,3,4], ret);


var j = 0;

for (;j<10; ++j)
{
}

assert_equal(10, j);


var k = 0;

for (;k<10; fun(){}  )
{
  +e(m); m = m + 1)
{
  
}

assert_equal(5, m);

