From ffc541c650789e33b7cbd70a54acbcccde69d4e8 Mon Sep 17 00:00:00 2001
From: Alexander Regueiro <alexreg@me.com>
Date: Sun, 13 Nov 2016 02:54:56 +0000
Subject: [PATCH] Implemented `std::error::Error` trait for error type.

---
 src/rocksdb.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/rocksdb.rs b/src/rocksdb.rs
index cbb69a9..e364b71 100644
--- a/src/rocksdb.rs
+++ b/src/rocksdb.rs
@@ -14,6 +14,7 @@
 //
 
 use std::collections::BTreeMap;
+use std::error;
 use std::ffi::CString;
 use std::fmt;
 use std::fs;
@@ -117,6 +118,16 @@ impl From<Error> for String {
     }
 }
 
+impl error::Error for Error {
+    fn description(&self) -> &str {
+        &self.message
+    }
+
+    fn cause(&self) -> Option<&error::Error> {
+        None
+    }
+}
+
 impl fmt::Display for Error {
     fn fmt(&self, formatter: &mut fmt::Formatter) -> Result<(), fmt::Error> {
         self.message.fmt(formatter)