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libcamera: base: signal: Drop pre-C++17 support

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The libcamera public API requires C++17, drop support for older
standards.

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>
This commit is contained in:
Laurent Pinchart
2025-02-25 01:08:12 +02:00
parent bb1d216113
commit 5e6872740d
1 changed files with 4 additions and 10 deletions
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14
include/libcamera/base/signal.h
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@@ -63,11 +63,8 @@ public:
#ifndef __DOXYGEN__
template<typename T, typename Func,
std::enable_if_t<std::is_base_of<Object, T>::value
#if __cplusplus >= 201703L
&& std::is_invocable_v<Func, Args...>
#endif
> * = nullptr>
std::enable_if_t<std::is_base_of<Object, T>::value &&
std::is_invocable_v<Func, Args...>> * = nullptr>
void connect(T *obj, Func func, ConnectionType type = ConnectionTypeAuto)
{
Object *object = static_cast<Object *>(obj);
@@ -75,11 +72,8 @@ public:
}
template<typename T, typename Func,
std::enable_if_t<!std::is_base_of<Object, T>::value
#if __cplusplus >= 201703L
&& std::is_invocable_v<Func, Args...>
#endif
> * = nullptr>
std::enable_if_t<!std::is_base_of<Object, T>::value &&
std::is_invocable_v<Func, Args...>> * = nullptr>
#else
template<typename T, typename Func>
#endif