---

- name: 'Set Theory Filters: union operates on set of structured objects'
  gather_facts: no
  hosts: localhost
  tasks:
  - block:
    - debug:
        var: output
    - assert:
        that:
        - output|length == 3
    vars:
      output: "{{ input1|union(input2) }}"
      input1:
      - id: 1
        name: john
      - id: 3
        name: smith
      input2:
      - id: 1
        name: john
      - id: 2
        name: jane