411 REFERENCE · Wikibooks
99 Elm Problems/Problem 15
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Repeat each element of a list a given number of times.
import Html exposing (text)
import List
repeatElements : Int -> List a -> List a
-- your implementation goes here
main =
text <| toString <|
repeatElements 3 [1, 2, 3, 3]
Result:
[1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3]
Solutions