yumemi-inc/and_then_map_err

Provides traits for chaining Result operations with different error types WITHOUT the need for intermediate map_err calls.

and_then_map_err

Provides traits for chaining Result operations with different error types WITHOUT the need for intermediate map_err calls.

• Documentation: and_then_map_err - Rust
• Inspired by rust - Is there a way to use and_then with different error types without map_err? - Stack Overflow