Method expect_rparen

cranelift/isle/isle/src/parser.rs:142–144

(&mut self)

        self.expect(|tok| *tok == Token::LParen).map(|_| ())
    }
    fn expect_rparen(&mut self) -> Result<()> {
        self.expect(|tok| *tok == Token::RParen).map(|_| ())
    }
    fn expect_at(&mut self) -> Result<()> {
        self.expect(|tok| *tok == Token::At).map(|_| ())
    }