ymetapost/examples/list-maybe-endofunctor-morphism.mp

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2013-10-01 11:17:56 +00:00
pair tree,list;
resize(.8cm);
list=origin;
tree=list shifted (gu,0);
drawState(list,"\mathtt{[]}");
drawState(tree,"\mathtt{Maybe}");
drawEdgeAngle(list,tree,"\mathtt{toMaybe}",30);