< 99 Elm Problems
Duplicate each element of a list.
import Html exposing (text)
import List
duplicate : List a -> List a
-- your implementation goes here
main =
text <| toString <|
duplicate [1, 2, 3, 5, 8, 8]
Result:
[1, 1, 2, 2, 3, 3, 5, 5, 8, 8, 8, 8]
This article is issued from Wikibooks. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.