loggerfor structured loggingenvfor structured configuration loadingtaskerfor managing background taskscachefor wrapping repositories (DB, HTTP clients, etc.) with caching to increase reliability and/or speed in the domain layerrestapifor building restful HTTP APIs and/or exposing repositories as rest resources.restapi/rfc7807for replying back errors on your API in a structure and extendable way.
enumfor tag definition based enum value validationlazyloadto utilise lazy loading techniquespointershelp you to make one liners when you need to take a pointer of a value or deref a pointer type in a safe way.errorutilto help you work with errors, forward port some features, and make distinction between errors based on their SRP actor.txswhich allow defining rollback steps in your functions, which makes implementing error handling in a stateful system much easierpathutilhas utility functions to work with HTTP paths.reflectshas functions to make extend the stdlib reflect package functionality.teardownhelps you creating deferrable teardown callbacks, in similar fashion like we do with defer at function scope.stringcaseallows you to format string keys in various string style.