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Cons (:) requires purescript-arrays

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Emiel van de Laar 2021-03-22 17:47:52 +01:00
parent 4a5efbf231
commit 94704901df
1 changed files with 2 additions and 2 deletions
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purescript.html.markdown
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@ -77,12 +77,12 @@ world""" -- "Hello\nworld"
[true, true, false] :: Array Boolean -- [true,true,false]
-- [1,2, true, "false"] won't work
-- `Cannot unify Int with Boolean`
-- Requires purescript-arrays (Data.Array)
-- Cons (prepend)
1 : [2,4,3] -- [1,2,4,3]
-- Requires purescript-arrays (Data.Array)
-- and purescript-maybe (Data.Maybe)
-- Safe access return Maybe a
head [1,2,3] -- Just (1)
tail [3,2,1] -- Just ([2,1])