From ad2da0af52469c18b8741a60e6b4aa977415bf8c Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Mon, 23 Feb 2026 20:00:21 -0600
Subject: [PATCH] [network] Use C++17 nested namespace syntax (#14248)

---
 esphome/components/network/ip_address.h | 6 ++----
 esphome/components/network/util.cpp     | 6 ++----
 esphome/components/network/util.h       | 6 ++----
 3 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/esphome/components/network/ip_address.h b/esphome/components/network/ip_address.h
index b2a2c563e28..c0e7b2886c5 100644
--- a/esphome/components/network/ip_address.h
+++ b/esphome/components/network/ip_address.h
@@ -37,8 +37,7 @@ using ip4_addr_t = in_addr;
 #include <esp_netif.h>
 #endif
 
-namespace esphome {
-namespace network {
+namespace esphome::network {
 
 /// Buffer size for IP address string (IPv6 max: 39 chars + null)
 static constexpr size_t IP_ADDRESS_BUFFER_SIZE = 40;
@@ -187,6 +186,5 @@ struct IPAddress {
 
 using IPAddresses = std::array<IPAddress, 5>;
 
-}  // namespace network
-}  // namespace esphome
+}  // namespace esphome::network
 #endif
diff --git a/esphome/components/network/util.cpp b/esphome/components/network/util.cpp
index 5e741fd2445..e397d770775 100644
--- a/esphome/components/network/util.cpp
+++ b/esphome/components/network/util.cpp
@@ -17,8 +17,7 @@
 #include "esphome/components/modem/modem_component.h"
 #endif
 
-namespace esphome {
-namespace network {
+namespace esphome::network {
 
 // The order of the components is important: WiFi should come after any possible main interfaces (it may be used as
 // an AP that use a previous interface for NAT).
@@ -109,6 +108,5 @@ const char *get_use_address() {
 #endif
 }
 
-}  // namespace network
-}  // namespace esphome
+}  // namespace esphome::network
 #endif
diff --git a/esphome/components/network/util.h b/esphome/components/network/util.h
index 3dc12232aa8..ae949ab0a85 100644
--- a/esphome/components/network/util.h
+++ b/esphome/components/network/util.h
@@ -4,8 +4,7 @@
 #include <string>
 #include "ip_address.h"
 
-namespace esphome {
-namespace network {
+namespace esphome::network {
 
 /// Return whether the node is connected to the network (through wifi, eth, ...)
 bool is_connected();
@@ -15,6 +14,5 @@ bool is_disabled();
 const char *get_use_address();
 IPAddresses get_ip_addresses();
 
-}  // namespace network
-}  // namespace esphome
+}  // namespace esphome::network
 #endif