alt/error_expr_not_ok_alt6.nit:71,8--11: Type error: expected Bool, got null
alt/error_expr_not_ok_alt6.nit:72,7--15: Type error: expected A, got null
alt/error_expr_not_ok_alt6.nit:73,7--10: Type error: expected Bool, got null
alt/error_expr_not_ok_alt6.nit:71,8--11: Type error: expected Bool, got null
alt/error_expr_not_ok_alt6.nit:72,7--15: Type error: expected A, got null
alt/error_expr_not_ok_alt6.nit:73,7--10: Type error: expected Bool, got null