From cfb5d3fd45a810e5cde6811b039d154241d1444c Mon Sep 17 00:00:00 2001
From: Alex Orlenko <zxteam@protonmail.com>
Date: Tue, 28 Dec 2021 12:23:06 +0000
Subject: Fix clippy warnings

---
 src/serde/ser.rs | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/serde/ser.rs')

diff --git a/src/serde/ser.rs b/src/serde/ser.rs
index c6155ae..cb2141e 100644
--- a/src/serde/ser.rs
+++ b/src/serde/ser.rs
@@ -69,6 +69,7 @@ impl Options {
     /// Sets [`set_array_metatable`] option.
     ///
     /// [`set_array_metatable`]: #structfield.set_array_metatable
+    #[must_use]
     pub const fn set_array_metatable(mut self, enabled: bool) -> Self {
         self.set_array_metatable = enabled;
         self
@@ -77,6 +78,7 @@ impl Options {
     /// Sets [`serialize_none_to_null`] option.
     ///
     /// [`serialize_none_to_null`]: #structfield.serialize_none_to_null
+    #[must_use]
     pub const fn serialize_none_to_null(mut self, enabled: bool) -> Self {
         self.serialize_none_to_null = enabled;
         self
@@ -85,6 +87,7 @@ impl Options {
     /// Sets [`serialize_unit_to_null`] option.
     ///
     /// [`serialize_unit_to_null`]: #structfield.serialize_unit_to_null
+    #[must_use]
     pub const fn serialize_unit_to_null(mut self, enabled: bool) -> Self {
         self.serialize_unit_to_null = enabled;
         self
-- 
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