From 2eaf863485fb217903f373eb91b78a8846321953 Mon Sep 17 00:00:00 2001
From: Niels Lohmann <mail@nlohmann.me>
Date: Sun, 28 Jan 2024 09:31:53 +0100
Subject: [PATCH] :rotating_light: fix warning

---
 include/nlohmann/detail/input/json_sax.hpp | 4 ++--
 single_include/nlohmann/json.hpp           | 4 ++--
 tests/src/unit-alt-string.cpp              | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/nlohmann/detail/input/json_sax.hpp b/include/nlohmann/detail/input/json_sax.hpp
index c772521cd..eb11a0acb 100644
--- a/include/nlohmann/detail/input/json_sax.hpp
+++ b/include/nlohmann/detail/input/json_sax.hpp
@@ -632,9 +632,9 @@ class json_sax_dom_callback_parser
     /// stack to model hierarchy of values
     std::vector<BasicJsonType*> ref_stack {};
     /// stack to manage which values to keep
-    std::vector<bool> keep_stack {};
+    std::vector<bool> keep_stack;
     /// stack to manage which object keys to keep
-    std::vector<bool> key_keep_stack {};
+    std::vector<bool> key_keep_stack;
     /// helper to hold the reference for the next object element
     BasicJsonType* object_element = nullptr;
     /// whether a syntax error occurred
diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
index b191bb914..44cc86206 100644
--- a/single_include/nlohmann/json.hpp
+++ b/single_include/nlohmann/json.hpp
@@ -7271,9 +7271,9 @@ class json_sax_dom_callback_parser
     /// stack to model hierarchy of values
     std::vector<BasicJsonType*> ref_stack {};
     /// stack to manage which values to keep
-    std::vector<bool> keep_stack {};
+    std::vector<bool> keep_stack;
     /// stack to manage which object keys to keep
-    std::vector<bool> key_keep_stack {};
+    std::vector<bool> key_keep_stack;
     /// helper to hold the reference for the next object element
     BasicJsonType* object_element = nullptr;
     /// whether a syntax error occurred
diff --git a/tests/src/unit-alt-string.cpp b/tests/src/unit-alt-string.cpp
index 7efe2e2e9..cbe22ea62 100644
--- a/tests/src/unit-alt-string.cpp
+++ b/tests/src/unit-alt-string.cpp
@@ -158,7 +158,7 @@ class alt_string
     }
 
   private:
-    std::string str_impl {};
+    std::string str_impl;
 
     friend bool operator<(const char* /*op1*/, const alt_string& /*op2*/) noexcept;
 };