patvar.lean:3:0-3:22: error: Missing cases:
(List.cons _ _)
patvar.lean:10:0-10:16: error: Missing cases:
(List.cons _ _)
patvar.lean:14:2-14:9: error: Invalid pattern variable: Variable name must be atomic, but 'foo.bar' has multiple components
patvar.lean:17:2-17:9: error: Invalid pattern variable: Variable name must be atomic, but 'foo.bar' has multiple components