1/1: Building Issue962 (Issue962.idr) Error: While processing right hand side of foo. Can't find an implementation for FromString (List Char). Issue962.idr:3:3--3:8 1 | foo : List Char -> () 2 | foo cs = case cs of 3 | "bar" => () ^^^^^ 1/1: Building Issue962-case (Issue962-case.idr)