Reducer

[data/dictionary/Reducer]

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Reduces dictionary. External node(s) receive the partial result and each key & value and send back a new partial result.

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Keywords: iterate, fold, aggregate

Input ports

• dict: {string: any}

  Receives dictionary to be reduced. Example:

  {<br>
    "a": "A",<br>
    "b": "B",<br>
    "c": "C"<br>
  }<br>
  ```<br>
  

• initial: any

  Receives initial value for the reduced dictionary. Example: ""

• part reduced: any

  Receives reduced dictionary before the current (by tag) item. Example: "AB"

Output ports

• reduced: any

  Sends the reduced dictionary. Example: "ABC"

• value: {string: any}[string]

  Sends the current value. Example: "C"

• key: string

  Sends the current key. Example: "c"

• part reduced: any

  Sends reduced dictionary after the current (by tag) item. Example: "A"