---
ch-1:
  - function: runningsum
    arguments:
      - 1
      - 2
      - 3
      - 4
      - 5
    result:
      - 1
      - 3
      - 6
      - 10
      - 15
  - arguments:
      - 1
      - 1
      - 1
      - 1
      - 1
    result:
      - 1
      - 2
      - 3
      - 4
      - 5
  - arguments:
      - 0
      - -1
      - 1
      - 2
    result:
      - 0
      - -1
      - 0
      - 2
ch-2:
  - function: persistencearray
    arguments:
      - 15
      - 99
      - 1
      - 34
    result:
      - 1
      - 15
      - 34
      - 99
  - arguments:
      - 50
      - 25
      - 33
      - 22
    result:
      - 22
      - 33
      - 50
      - 25