expected

reg018a.idr:16:1:conat.minusCoNat is possibly not total due to recursive path conat.minusCoNat
reg018a.idr:21:1:conat.loopForever is possibly not total due to: conat.minusCoNat
reg018b.idr:8:1:A.showB is possibly not total due to recursive path A.showB
reg018c.idr:19:1:CodataTest.inf is possibly not total due to: with block in CodataTest.inf
reg018d.idr:5:1:Main.pull is not total as there are missing cases