telereads 0.1.12

@TelereadsBot is an inline bot that allows you to search for books and quickly share them in a conversation.
Documentation 
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#[derive(Serialize, Deserialize, Debug, Default)]
pub struct User {
    pub id: i64,
    pub is_bot: bool,
    pub first_name: String,

    #[serde(skip_serializing_if = "Option::is_none")]
    pub last_name: Option<String>,

    #[serde(skip_serializing_if = "Option::is_none")]
    pub username: Option<String>,

    #[serde(skip_serializing_if = "Option::is_none")]
    pub language_code: Option<String>,
}

impl User {
    pub fn full_name(&self) -> String {
        format!(
            "{first_name}{last_name}",
            first_name = self.first_name,
            last_name = match self.last_name {
                Some(ref name) => format!(" {}", name),
                None => String::new(),
            }
        )
    }
}

impl std::fmt::Display for User {
    fn fmt(&self, fmt: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
        if self.is_bot {
            write!(fmt, "Bot ")?;
        } else {
            write!(fmt, "User ")?;
        }
        write!(fmt, "{}", self.full_name())?;

        if let Some(username) = &self.username {
            write!(fmt, " (@{})", username)?;
        }
        Ok(())
    }
}