From b16b2a7ff135dfe58c70c2f19f2b76411f1cb5a6 Mon Sep 17 00:00:00 2001
From: Alison Watson <marrub.xz@gmail.com>
Date: Mon, 1 Jul 2019 01:23:08 -0400
Subject: [PATCH] maraiah: add backtrace macro

---
 maraiah/err.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/maraiah/err.rs b/maraiah/err.rs
index a6bc647..9a7ae20 100644
--- a/maraiah/err.rs
+++ b/maraiah/err.rs
@@ -32,6 +32,15 @@ macro_rules! bail {
    };
 }
 
+#[macro_export]
+macro_rules! backtrace {
+   ($e:expr) => {
+      if cfg!(debug_assertions) {
+         dbg!($e.backtrace());
+      }
+   }
+}
+
 /// Returns an `Error` with a static string.
 ///
 /// # Examples