From ecd5da5b0cae5b3af95f5b86a8157a1f57a944c5 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 1 Aug 2018 11:58:19 +0300
Subject: Introduce drop-bomb

---
 src/drop_bomb.rs | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 src/drop_bomb.rs

(limited to 'src/drop_bomb.rs')

diff --git a/src/drop_bomb.rs b/src/drop_bomb.rs
new file mode 100644
index 000000000..750904a01
--- /dev/null
+++ b/src/drop_bomb.rs
@@ -0,0 +1,21 @@
+use std::borrow::Cow;
+
+pub struct DropBomb {
+    msg: Cow<'static, str>,
+    defused: bool,
+}
+
+impl DropBomb {
+    pub fn new(msg: impl Into<Cow<'static, str>>) -> DropBomb {
+        DropBomb { msg: msg.into(), defused: false }
+    }
+    pub fn defuse(&mut self) { self.defused = true }
+}
+
+impl Drop for DropBomb {
+    fn drop(&mut self) {
+        if !self.defused && !::std::thread::panicking() {
+            panic!("{}", self.msg)
+        }
+    }
+}
-- 
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