040000 tree 3c5a45b151062bbff5ed17373915772ab7ea150e	error_category
040000 tree 7e06bac6cbd98c39425591786e547e9695994ab8	error_code
040000 tree c512feeb163eac45cee60dd47be15bd89a6b3809	error_condition
040000 tree 5c5aa558d09a31bfd31bb5151e2ff6f5b1f93303	headers
040000 tree 87e3355259f68d74fded3ff973947d173e562a8e	logic_error
040000 tree 8a4242b966cdd558f4dc5d69d8fd6520876625f3	runtime_error
040000 tree d052e064883b25ae3ec64d7f83c9a7680fab939d	system_error