From 10e22ed4fb0bd21d9d268c5c6f1ac1c7d9e4b621 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Fri, 1 Mar 2024 17:34:04 +0100
Subject: w

---
 src/timer.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src/timer.cpp')

diff --git a/src/timer.cpp b/src/timer.cpp
index f663aaf0..8e9ed917 100644
--- a/src/timer.cpp
+++ b/src/timer.cpp
@@ -65,6 +65,11 @@ const char* format_datetime_to_string(char (&buf)[fm_DATETIME_BUF_SIZE])
     return buf;
 }
 
-
+Ns operator-(const Time& lhs, const Time& rhs) noexcept
+{
+    auto a = lhs.stamp, b = rhs.stamp;
+    fm_assert(a >= b);
+    return Ns{a - b};
+}
 
 } // namespace floormat
-- 
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