Struct User 

pub struct User {
    pub _id: i32,
    pub _is_bot: bool,
    pub _first_name: String,
    pub _last_name: Option<String>,
    pub _username: Option<String>,
    pub _language_code: Option<String>,
}

This object represents a Telegram user or bot.

Fields

_id: i32

Unique identifier for this user or bot

_is_bot: bool

True, if this user is a bot

_first_name: String

User‘s or bot’s first name

_last_name: Option<String>

Optional. User‘s or bot’s last name

_username: Option<String>

Optional. User‘s or bot’s username

_language_code: Option<String>

Optional. IETF language tag of the user’s language