From 983a7b3f5c50076df4993e5fbf31794cac68ac78 Mon Sep 17 00:00:00 2001
From: Tobie Morgan Hitchcock <tobie@abcum.com>
Date: Mon, 4 Jul 2022 01:59:59 +0100
Subject: [PATCH] Add mrg! macro for merging Maps together

---
 src/mac/mod.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/mac/mod.rs b/src/mac/mod.rs
index 85307b3d..8b157d3d 100644
--- a/src/mac/mod.rs
+++ b/src/mac/mod.rs
@@ -5,3 +5,10 @@ macro_rules! map {
         m
     }};
 }
+
+macro_rules! mrg {
+    ($($m:expr, $x:expr)+) => {{
+        $($m.extend($x.iter().map(|(k, v)| (k.clone(), v.clone())));)+
+        $($m)+
+    }};
+}