AppFlowy/rust-lib/flowy-user/src/entities/parser/user_id.rs

#[derive(Debug)]
pub struct UserId(pub String);

impl UserId {
    pub fn parse(s: String) -> Result<UserId, String> {
        let is_empty_or_whitespace = s.trim().is_empty();
        if is_empty_or_whitespace {
            return Err(format!("user id is empty or whitespace"));
        }
        Ok(Self(s))
    }
}

impl AsRef<str> for UserId {
    fn as_ref(&self) -> &str { &self.0 }
}