From da8b08e4e3d7c189c11b1db6abf10926ba8373f7 Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Tue, 12 Oct 2021 15:02:33 +0200
Subject: [PATCH] abacus: bignum: use IIFE

I think it looks cleaner to use Immediately Invoked Function Expressions
in such cases.
---
 src/bignum/bignum.cc | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/bignum/bignum.cc b/src/bignum/bignum.cc
index 2121cdc..6b6987e 100644
--- a/src/bignum/bignum.cc
+++ b/src/bignum/bignum.cc
@@ -82,12 +82,12 @@ digits_type do_addition(digits_type const& lhs, digits_type const& rhs) {
         ++it2;
     }
 
-    auto it = it1;
-    auto end = end1;
-    if (it1 == end1) {
-        it = it2;
-        end = end2;
-    }
+    auto [it, end] = [=]() {
+        if (it1 != end1) {
+            return std::make_pair(it1, end1);
+        }
+        return std::make_pair(it2, end2);
+    }();
 
     while (it != end) {
         int addition = *it + carry;