checklist.day

Custom Error

JSON →
library 1.9.2 ·rust
✓ verified Jun 16, 2026
utility

Define custom errors without boilerplate using the custom_error! macro.

Resources

docsdocs.rs/custom_error/ ↗
githubgithub.com/lovasoa/custom_error ↗

API endpoints

full doc /v1/registry/custom-error
install /v1/registry/custom-error/install