Mercurial > hg > Papers > 2020 > soto-midterm
view src/AgdaStackSomeState.agda.replaced @ 1:73127e0ab57c
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author | soto@cr.ie.u-ryukyu.ac.jp |
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date | Tue, 08 Sep 2020 18:38:08 +0900 |
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stackInSomeState : {l m : Level} {D : Set l} {t : Set m} (s : SingleLinkedStack D) @$\rightarrow$@ Stack {l} {m} D {t} ( SingleLinkedStack D) stackInSomeState s = record { stack = s ; stackMethods = singleLinkedStackSpec } push@$\rightarrow$@push@$\rightarrow$@pop2 : {l : Level} {D : Set l} (x y : D) (s : SingleLinkedStack D) @$\rightarrow$@ pushStack (stackInSomeState s) x (\s1 @$\rightarrow$@ pushStack s1 y (\s2 @$\rightarrow$@ pop2Stack s2 (\s3 y1 x1 @$\rightarrow$@ (Just x @$\equiv$@ x1) @$\wedge$@ (Just y @$\equiv$@ y1)))) push@$\rightarrow$@push@$\rightarrow$@pop2 {l} {D} x y s = record {pi1 = refl ; pi2 = refl}