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// Copyright © 2020 Alexandra Frydl // // This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this // file, You can obtain one at http://mozilla.org/MPL/2.0/. /// Runs a block of code and catches `?` operator returns. /// /// This is just a cleaner version of creating a closure and immediately calling /// it. It is intended to serve as a replacement for `try { .. }` until it is /// stable. #[macro_export] macro_rules! attempt { ($($tokens:tt)+) => { (|| { $($tokens)+ })() }; } /// Runs a block of async code and catches `?` operator returns. /// /// This is just a cleaner version of creating a closure and immediately calling /// it. It is intended to serve as a replacement for `try { .. }` until it is /// stable. #[macro_export] macro_rules! attempt_async { ($($tokens:tt)+) => { (|| async { $($tokens)+ })().await }; }