Returns the status code given an integer or a known atom.

Known status codes

The following status codes can be given as atoms with their respective value shown next:

• :continue - 100
• :switching_protocols - 101
• :processing - 102
• :ok - 200
• :created - 201
• :accepted - 202
• :non_authoritative_information - 203
• :no_content - 204
• :reset_content - 205
• :partial_content - 206
• :multi_status - 207
• :already_reported - 208
• :im_used - 226
• :multiple_choices - 300
• :moved_permanently - 301
• :found - 302
• :see_other - 303
• :not_modified - 304
• :use_proxy - 305
• :switch_proxy - 306
• :temporary_redirect - 307
• :permanent_redirect - 308
• :bad_request - 400
• :unauthorized - 401
• :payment_required - 402
• :forbidden - 403
• :not_found - 404
• :method_not_allowed - 405
• :not_acceptable - 406
• :proxy_authentication_required - 407
• :request_timeout - 408
• :conflict - 409
• :gone - 410
• :length_required - 411
• :precondition_failed - 412
• :request_entity_too_large - 413
• :request_uri_too_long - 414
• :unsupported_media_type - 415
• :requested_range_not_satisfiable - 416
• :expectation_failed - 417
• :im_a_teapot - 418
• :misdirected_request - 421
• :unprocessable_entity - 422
• :locked - 423
• :failed_dependency - 424
• :unordered_collection - 425
• :upgrade_required - 426
• :precondition_required - 428
• :too_many_requests - 429
• :request_header_fields_too_large - 431
• :internal_server_error - 500
• :not_implemented - 501
• :bad_gateway - 502
• :service_unavailable - 503
• :gateway_timeout - 504
• :http_version_not_supported - 505
• :variant_also_negotiates - 506
• :insufficient_storage - 507
• :loop_detected - 508
• :not_extended - 510
• :network_authentication_required - 511

Returns the atom for given integer.

See code/1 for the mapping.