[PATCH v1] libcamera: yaml_parser: Make default value templated in `get()`

[Barnabás Pőcze]

This way the construction of the default value of type `T`
can be delayed until it is really needed, which is useful,
for example when `T == std::string`, as the default value
string would always be constructed otherwise.

Signed-off-by: Barnabás Pőcze <pobrn at protonmail.com>
---
 include/libcamera/internal/yaml_parser.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/libcamera/internal/yaml_parser.h b/include/libcamera/internal/yaml_parser.h
index b6979d73..3ac27e06 100644
--- a/include/libcamera/internal/yaml_parser.h
+++ b/include/libcamera/internal/yaml_parser.h
@@ -179,10 +179,10 @@ public:
 #endif
 	std::optional<T> get() const;
 
-	template<typename T>
-	T get(const T &defaultValue) const
+	template<typename T, typename U>
+	T get(U &&defaultValue) const
 	{
-		return get<T>().value_or(defaultValue);
+		return get<T>().value_or(std::forward<U>(defaultValue));
 	}
 
 #ifndef __DOXYGEN__
-- 
2.45.1