/// Returns `true` if the token is an identifier.
Returns `true` if the token is an identifier.
Returns ` true ` if the token is an identifier .
pub fn is_ident(&self) -> bool {
        match *self {
            Ident(..)   => true,
            _           => false,
        }
    }
pub fn is_ident ( & self ) -> bool { match * self { Ident ( .. ) => true , _ => false , } }
Returns `true` if the token is an identifier.
Returns ` true ` if the token is an identifier .
&self