sublist

lib.lists.sublist

Docs pulled from | This Revision | 14 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);