use thiserror::Error;
#[derive(Debug, Error)]
pub enum TokenizerError {
#[error("Vocabulary not trained")]
NotTrained,
#[error("Unknown token: {0}")]
UnknownToken(String),
#[error("Invalid token ID: {0}")]
InvalidTokenId(u32),
#[error("Training error: {0}")]
Training(String),
#[error("IO error: {0}")]
Io(#[from] std::io::Error),
#[error("Serialization error: {0}")]
Serialization(String),
}
pub type Result<T> = std::result::Result<T, TokenizerError>;