From f0dbba8cbef36f33221e164902b0f6450c4779bf Mon Sep 17 00:00:00 2001
From: Dietmar Maurer <dietmar@proxmox.com>
Date: Fri, 15 Feb 2019 10:59:12 +0100
Subject: [PATCH] tools.rs: new try_block macro

---
 src/tools.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/tools.rs b/src/tools.rs
index bb6cc5e2..fa970798 100644
--- a/src/tools.rs
+++ b/src/tools.rs
@@ -27,6 +27,11 @@ pub mod ticket;
 pub mod borrow;
 pub mod fs;
 
+#[macro_export]
+macro_rules! try_block {
+    { $($token:tt)* } => {{ (|| -> Result<_,_> { $($token)* })() }}
+}
+
 /// The `BufferedReader` trait provides a single function
 /// `buffered_read`. It returns a reference to an internal buffer. The
 /// purpose of this traid is to avoid unnecessary data copies.