From 4250d9843133d38c7ace1a1b510265a15ebaa0fd Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Fri, 30 Oct 2026 15:10:29 +0100
Subject: add dormant-probe-max option

---
 src/units.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/units.rs')

diff --git a/src/units.rs b/src/units.rs
index ac08ebf..28adab9 100644
--- a/src/units.rs
+++ b/src/units.rs
@@ -171,6 +171,17 @@ pub(crate) fn optional_duration<'de, D: serde::Deserializer<'de>>(
     duration_option::deserialize(d).map(Some)
 }
 
+/// Writes an optional `Duration` as [`duration_option`] does; `None` as null.
+pub(crate) fn serialize_optional_duration<S: serde::Serializer>(
+    value: &Option<Duration>,
+    s: S,
+) -> Result<S::Ok, S::Error> {
+    match value {
+        Some(value) => duration_option::serialize(value, s),
+        None => s.serialize_none(),
+    }
+}
+
 /// Serde for a size option: a string as [`parse_size`] reads it, or a number of bytes;
 /// written as [`format_size`].
 pub(crate) mod size_option {
-- 
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