view Paper/src/AgdaInterface.agda @ 12:e20725cd6d8a default tip

fix slides
author ryokka
date Mon, 21 May 2018 00:29:29 +0900
parents 4312a27022d1
children
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record StackMethods {n m : Level } (a : Set n ) {t : Set m }(stackImpl : Set n ) : Set (m Level.⊔ n) where
  field
    push : stackImpl -> a -> (stackImpl -> t) -> t
    pop  : stackImpl -> (stackImpl -> Maybe a -> t) -> t
open StackMethods

record Stack {n m : Level } (a : Set n ) {t : Set m } (si : Set n ) : Set (m Level.⊔ n) where
  field
    stack : si
    stackMethods : StackMethods {n} {m} a {t} si
  pushStack :  a -> (Stack a si -> t) -> t
  pushStack d next = push (stackMethods ) (stack ) d (\s1 -> next (record {stack = s1 ; stackMethods = stackMethods } ))
  popStack : (Stack a si -> Maybe a  -> t) -> t
  popStack next = pop (stackMethods ) (stack ) (\s1 d1 -> next (record {stack = s1 ; stackMethods = stackMethods }) d1 )
open Stack