#[derive(Debug, Deserialize)]
pub struct ShortenRequest {
    pub url: String,
}

#[derive(Debug, Serialize)]
pub struct ShortenResponse {
    pub hash: String,
}

#[derive(Debug, Serialize)]
pub struct ErrorResponse {
    pub error: String,
}

impl ErrorResponse {
    pub fn new(message: &str) -> Self {
        ErrorResponse {
            error: message.to_string(),
        }
    }
}