From 0c277abacb562cb8caa00b854923849d101471ff Mon Sep 17 00:00:00 2001
From: Sergey Pepyakin <s.pepyakin@gmail.com>
Date: Mon, 12 Mar 2018 12:37:12 +0100
Subject: [PATCH] Implement Error for Trap (#73)

---
 src/lib.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index cb83ec9..0229243 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -134,6 +134,18 @@ impl Trap {
 	}
 }
 
+impl fmt::Display for Trap {
+	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+		write!(f, "Trap: {:?}", self.kind)
+	}
+}
+
+impl error::Error for Trap {
+	fn description(&self) -> &str {
+		"runtime trap"
+	}
+}
+
 /// Error type which can thrown by wasm code or by host environment.
 ///
 /// See [`Trap`] for details.