From a7aab7da8a716299661b5f451366fb6e2f3d88b2 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Mon, 16 Dec 2024 00:28:33 +0200
Subject: libcamera: yaml_parser: Improve efficiency of string empty check

Comparing a std::string to an empty string literal is more complex than
using the std::string::empty() function. Improve the code efficiency by
replacing the former with the latter.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
---
 src/libcamera/yaml_parser.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libcamera/yaml_parser.cpp b/src/libcamera/yaml_parser.cpp
index 5ca5fb82..a5e42461 100644
--- a/src/libcamera/yaml_parser.cpp
+++ b/src/libcamera/yaml_parser.cpp
@@ -194,7 +194,7 @@ YamlObject::Getter<double>::get(const YamlObject &obj) const
 	if (obj.type_ != Type::Value)
 		return std::nullopt;
 
-	if (obj.value_ == "")
+	if (obj.value_.empty())
 		return std::nullopt;
 
 	char *end;
-- 
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