teloxide 0.11.0

An elegant Telegram bots framework for Rust
Documentation 
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use crate::types::{CallbackQuery, ChatId, Message, Update};

/// Something that may has a chat ID.
pub trait GetChatId {
    #[must_use]
    fn chat_id(&self) -> Option<ChatId>;
}

impl GetChatId for Message {
    fn chat_id(&self) -> Option<ChatId> {
        Some(self.chat.id)
    }
}

impl GetChatId for CallbackQuery {
    fn chat_id(&self) -> Option<ChatId> {
        self.message.as_ref().map(|mes| mes.chat.id)
    }
}

impl GetChatId for Update {
    fn chat_id(&self) -> Option<ChatId> {
        self.chat().map(|chat| chat.id)
    }
}