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reduce​

reduce(
    @llll  ## required
    @function  ## required
) -> llll/null

Applies cumulatively a binary function to all the elements in an llll.

Arguments​

  • @llll [llll] (required)
  • @function [function] (required)

Output​

Reduced value. [llll/null]

warning

reduce is a built-in function in the bell programming language and is not unique or exclusive to bellplay~. As such, reduce will return null without raising an error if required arguments are not provided.