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length​

length(
    @llll ? ## required
) -> llll/null
note

length is a built-in function in the bell programming language and is not unique or exclusive to bellplay~.

Returns the number of elements in the root level of an llll.

Arguments​

  • @llll [llll] (required)

Output​

Number of elements in the root level of an llll. [llll/null]

warning

length will return null without raising an error if required arguments are not provided.