Method fmt

cake-core/src/models/chat.rs:16–26

(&self, f: &mut std::fmt::Formatter<'_>)

impl std::fmt::Display for MessageRole {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        write!(
            f,
            "{}",
            match self {
                MessageRole::System => "system",
                MessageRole::User => "user",
                MessageRole::Assistant => "assistant",
            }
        )
    }
}

/// A chat message.