use std::io; use thiserror::Error; /// Custom error types for the mould application. #[derive(Error, Debug)] pub enum MouldError { #[error("IO error: {0}")] Io(#[from] io::Error), #[error("Format error: {0}")] Format(String), #[error("File not found: {0}")] FileNotFound(String), #[error("Terminal error: {0}")] Terminal(String), }