From 19f96fe62cca290823a2965f4fc203fafc6536d2 Mon Sep 17 00:00:00 2001
From: Tamas Blummer <tamas.blummer@gmail.com>
Date: Sun, 11 Feb 2018 14:19:58 +0100
Subject: [PATCH] add low_u64 to Uint256 and Uit128 types

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

diff --git a/src/util/uint.rs b/src/util/uint.rs
index 19c90fa1..286dd139 100644
--- a/src/util/uint.rs
+++ b/src/util/uint.rs
@@ -38,6 +38,14 @@ macro_rules! construct_uint {
                 arr[0] as u32
             }
 
+            /// Conversion to u64
+            #[inline]
+            pub fn low_u64(&self) -> u64 {
+                let &$name(ref arr) = self;
+                arr[0] as u64
+            }
+
+
             /// Return the least number of bits needed to represent the number
             #[inline]
             pub fn bits(&self) -> usize {