{
  "alpha": ["a", "b", "c", "d", "e"],
  "numeric": [1, 2, 3, 4, 5],
  "object": {"foo": "x", "bar": "y"},
  "nothing": []
}
---
{{ "" | empty }}
{{ "supercalifragilistic" | empty }}
{{ alpha | empty }}
{{ numeric | empty }}
{{ object | empty }}
{{ nothing | empty }}