ansible/dhall/Prelude/List/last.dhall

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2024-11-26 05:55:44 +00:00
--| Retrieve the last element of the list
let last
: ∀(a : Type) → List a → Optional a
= List/last
let example0 = assert : last Natural [ 0, 1, 2 ] ≡ Some 2
let example1 = assert : last Natural ([] : List Natural) ≡ None Natural
in last