/// Returns `true` if the token is any literal
Returns `true` if the token is any literal
Returns ` true ` if the token is any literal
pub fn is_lit(&self) -> bool {
        match self.kind {
            Literal(..) => true,
            _           => false,
        }
    }
pub fn is_lit ( & self ) -> bool { match self . kind { Literal ( .. ) => true , _ => false , } }
Returns `true` if the token is any literal
Returns ` true ` if the token is any literal
&self