Method expr_try

compiler/src/parser.rs:654–665

(&mut self, lhs: Expr)

    }

    fn expr_try(&mut self, lhs: Expr) -> Expr {
        assert!(self.tok.kind == TokenKind::Question);

        // consume '?'
        let start = self.next();

        Expr::Try {
            expr: lhs.into(),
            ty: Type::dummy(),
            span: self.make_span(start),
        }
    }

    fn expr_struct_call(&mut self, lhs: Expr) -> Expr {
        assert!(self.tok.kind == TokenKind::LCurly);