---
ch-1:
  - function: minindexsum
    multiarg: true
    arguments:
      - - Perl
        - Raku
        - Love
      - - Raku
        - Perl
        - Hate
    result:
      - Perl
      - Raku
  - function: minindexsum
    multiarg: true
    arguments:
      - - A
        - B
        - C
      - - D
        - E
        - F
    result: []
  - function: minindexsum
    multiarg: true
    arguments:
      - - A
        - B
        - C
      - - C
        - A
        - B
    result:
      - A
ch-2:
  - function: duplicateandmissing
    arguments:
      - 1
      - 2
      - 2
      - 4
    result:
      - 2
      - 3
  - function: duplicateandmissing
    arguments:
      - 1
      - 2
      - 3
      - 4
    result:
      - -1
  - function: duplicateandmissing
    arguments:
      - 1
      - 2
      - 3
      - 3
    result:
      - 3
      - 4