Mercurial > hg > Papers > 2019 > oshiro-thesis

view final_main/src/AgdaStack.agda @ 0:83f997abf3b5

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author e155702
date Thu, 14 Feb 2019 16:51:50 +0900
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data Element (a : Set) : Set where
  cons : a -> Maybe (Element a) -> Element a

datum : {a : Set} -> Element a -> a
datum (cons a _) = a

next : {a : Set} -> Element a -> Maybe (Element a)
next (cons _ n) = n

record SingleLinkedStack (a : Set) : Set where
  field
    top : Maybe (Element a)