From 16cadf1a64abf36d43aefa0ce5ee6ad35e15dbab Mon Sep 17 00:00:00 2001
From: debris <marek.kotewicz@gmail.com>
Date: Fri, 11 Dec 2015 14:40:28 +0100
Subject: [PATCH] hash for uint

---
 src/uint.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/uint.rs b/src/uint.rs
index 234867ea9..389894c68 100644
--- a/src/uint.rs
+++ b/src/uint.rs
@@ -25,6 +25,7 @@ use std::fmt;
 use std::cmp::*;
 use std::ops::*;
 use std::str::FromStr;
+use std::hash::{Hash, Hasher};
 use rustc_serialize::hex::{FromHex, FromHexError};
 
 macro_rules! impl_map_from {
@@ -350,6 +351,13 @@ macro_rules! construct_uint {
 				Ok(())
 			}
 		}
+
+		impl Hash for $name {
+			fn hash<H>(&self, state: &mut H) where H: Hasher {
+				unsafe { state.write(::std::slice::from_raw_parts(self.0.as_ptr() as *mut u8, self.0.len() * 8)); }
+				state.finish();
+			}
+		}
 	);
 }