FunErrTest.idr:35:10:When elaborating right hand side of badCadr1: When elaborating argument cons1 to function FunErrTest.cadr: Could not prove that [] has at least two elements. FunErrTest.idr:38:10:When elaborating right hand side of badCadr2: When elaborating argument cons2 to function FunErrTest.cadr: Could not prove that tail [(fromInteger 1)] has at least two elements.