sublist

lib.lists.sublist

Docs pulled from | This Revision | 10 minutes ago

Return a list consisting of at most count elements of list, starting at index start.

Inputs

start: Index at which to start the sublist
count: Number of elements to take
list: Input list

Type

sublist :: int -> int -> [a] -> [a]

Examples

`lib.lists.sublist` usage example

sublist 1 3 [ "a" "b" "c" "d" "e" ]
=> [ "b" "c" "d" ]
sublist 1 3 [ ]
=> [ ]

Noogle detected

Aliases

lib.sublist

Implementation

The following is the current implementation of this function.

sublist =
    start: count: list:
    let
      len = length list;
    in
    genList (n: elemAt list (n + start)) (
      if start >= len then
        0
      else if start + count > len then
        len - start
      else
        count
    );