/Haskell/First element in list haskell

First element in list haskell

First element in list haskell

list = [1, 2, 3]

head :: [a] -> a
head (x:_) = x

head list -- 1

2

Remove first element list haskell

a = [1, 2, 3, 4]
b = tail a
  
-- b == [2, 3, 4]

1

Source: wiki.haskell.org

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