elm_copipe.elm

-- String
-- convert int into String
String.fromInt 1
-- "1" : String

-- create String from List
String.join "," ["a", "b", "c"] 
-- "a,b,c" : String


-- List
-- remove a item from list
l = ["a", "b", "c"]
List.take 1 l ++ List.drop 2 l
-- ["a","c"] : List String

-- reverse a list
List.reverse [1,2,3]
-- [3,2,1] : List number