Module problem 

RFC 7807 / RFC 9457 application/problem+json error responses. RFC 7807 / RFC 9457 application/problem+json error responses.

Provides a typed Problem struct, a Responder implementation that emits application/problem+json, and a helper that builds a default problem response from a status code. Hook the helper into Router::error_handler / Router::client_error_handler to upgrade plain text 4xx/5xx responses into structured problem documents.

Structs

Problem

RFC 7807 / RFC 9457 problem details document.

Constants

PROBLEM_JSON

Media type for RFC 7807 problem details.

Functions

default_problem_responder

Default problem-formatter to be installed into Router::error_handler and/or Router::client_error_handler.