Mercurial > hg > Papers > 2020 > soto-midterm
comparison src/AgdaPushPop.agda.replaced @ 1:73127e0ab57c
(none)
author | soto@cr.ie.u-ryukyu.ac.jp |
---|---|
date | Tue, 08 Sep 2020 18:38:08 +0900 |
parents | |
children |
comparison
equal
deleted
inserted
replaced
0:b919985837a3 | 1:73127e0ab57c |
---|---|
1 pushSingleLinkedStack : Meta @$\rightarrow$@ Meta | |
2 pushSingleLinkedStack m = M.exec (liftMeta n) (record m {stack = (push s e) }) | |
3 where | |
4 n = Meta.nextCS m | |
5 s = Meta.stack m | |
6 e = Context.element (Meta.context m) | |
7 push : SingleLinkedStack A @$\rightarrow$@ Maybe A @$\rightarrow$@ SingleLinkedStack A | |
8 push s nothing = s | |
9 push s (just x) = record {top = just (cons x (top s))} | |
10 | |
11 popSingleLinkedStack : Meta @$\rightarrow$@ Meta | |
12 popSingleLinkedStack m = M.exec (liftMeta n) (record m {stack = (st m) ; context = record con {element = (elem m)}}) | |
13 where | |
14 n = Meta.nextCS m | |
15 con = Meta.context m | |
16 elem : Meta @$\rightarrow$@ Maybe A | |
17 elem record {stack = record { top = (just (cons x _)) }} = just x | |
18 elem record {stack = record { top = nothing }} = nothing | |
19 st : Meta @$\rightarrow$@ SingleLinkedStack A | |
20 st record {stack = record { top = (just (cons _ s)) }} = record {top = s} | |
21 st record {stack = record { top = nothing }} = record {top = nothing} | |
22 | |
23 | |
24 pushSingleLinkedStackCS : M.CodeSegment Meta Meta | |
25 pushSingleLinkedStackCS = M.cs pushSingleLinkedStack | |
26 | |
27 popSingleLinkedStackCS : M.CodeSegment Meta Meta | |
28 popSingleLinkedStackCS = M.cs popSingleLinkedStack |