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Range.running_fold

running_foldinitfunction

Documentation​

Combines all the elements of the range, by iteratively applying the passed function with the next element of the range. After each step the value is stored resulting in a new Vector of the same size as self.

Arguments​

  • init: The initial value for the fold.
  • function: A function taking two elements and combining them.

Examples​

Compute the running sum of all of the elements in a range.​

     (0.up_to 4).running_fold 0 (+)