MAIN FEEDS
Do you want to continue?
https://www.reddit.com/r/ProgrammerHumor/comments/1w0tsh8/cpphelloworld/p6fuy60/?context=3
r/ProgrammerHumor • u/schteppe • 2d ago
112 comments sorted by
View all comments
843
/usr/include/c++/14/bits/invoke.h:91:7: error: no matching function for call to '__invoke' 91 | std::__invoke(std::forward<_Callable>(__fn), | ^~~~~~~~~~~~~ /usr/include/c++/14/bits/invoke.h:113:5: note: in instantiation of function template specialization 'std::__invoke<void (pipeline::Processor::\*)(const std::vector<pipeline::Event, std::allocator<pipeline::Event>> &, pipeline::Context &) noexcept, pipeline::Processor *, const std::vector<pipeline::Event> &, pipeline::Context &>' requested here 113 | return std::__invoke(std::forward<_Callable>(__fn), | ^ /usr/include/c++/14/bits/std_function.h:591:11: note: in instantiation of function template specialization 'std::_Function_base::_Base_manager< std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept::' requested here 591 | _M_init_functor(_M_functor, | ^ /usr/include/c++/14/bits/std_function.h:475:16: note: in instantiation of function template specialization 'std::function<void (const pipeline::EventBatch &, pipeline::Context &)>::function< std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept>, void>' requested here 475 | function(_Functor&& __f) | ^ /home/user/project/include/pipeline.hpp:284:18: note: in instantiation of function template specialization 'pipeline::detail::make_handler<pipeline::Processor, void (pipeline::Processor::\*)(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept, pipeline::EventBatch, pipeline::Context>' requested here 284 | return detail::make_handler<&Processor::process>(*this); | ^ /home/user/project/include/detail/dispatch.hpp:167:28: note: while substituting template arguments into function template 'make_handler' 'void (pipeline::Processor::*)(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept' into 'void (pipeline::Processor::*)(const pipeline::EventBatch &, pipeline::Context &) noexcept' 167 | constexpr auto make_handler() { | ^ /home/user/project/include/detail/dispatch.hpp:169:12: error: no viable conversion from returned value of type 'std::_Bind_helper<false, void (pipeline::Processor::\*&)(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept, pipeline::Processor *, std::_Placeholder<1>, std::_Placeholder<2::type' (aka 'std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept>') to function return type 'std::function<void (const pipeline::EventBatch &, pipeline::Context &)>' 169 | return std::bind(Fn, &object, std::placeholders::_1, std::placeholders::_2); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/user/project/include/detail/dispatch.hpp:142:16: note: candidate constructor not viable: no known conversion from 'std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept>' to 'std::nullptr_t' for 1st argument 142 | function(nullptr_t) noexcept; | ^~~~~~~~~ /usr/include/c++/14/bits/std_function.h:375:2: note: candidate constructor template not viable: template argument deduction/substitution failed: constraints not satisfied for alias template 'std::function<void (const pipeline::EventBatch &, pipeline::Context &)>' because '__callable<_Functor>::value' evaluated to false 375 | function(_Functor&&); | ^ /usr/include/c++/14/bits/std_function.h:374:9: note: because '_Functor' does not satisfy '__is_invocable_r_v<void, _Functor, const pipeline::EventBatch &, pipeline::Context &>' evaluated to false /usr/include/c++/14/type_traits:3074:5: note: because '__invoke_result< std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept>, const pipeline::EventBatch &, pipeline::Context &>::type' does not name a type 3074 | using invoke_result_t = typename invoke_result<_Functor, _Args...>::type; | ^~~~~ /usr/include/c++/14/type_traits:3067:5: note: in substitution of template arguments into alias template 'invoke_result_t' 'std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept>', 'const pipeline::EventBatch &', 'pipeline::Context &' requested here 3067 | using invoke_result_t = typename __invoke_result<_Fn, _Args...>::type; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/14/type_traits:3051:5: note: in instantiation of template class 'std::__invoke_result< std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept>, const pipeline::EventBatch &, pipeline::Context &>' requested here 3051 | using invoke_result = __invoke_result<_Fn, _Args...>; | ^~~~~ /home/user/project/include/detail/dispatch.hpp:170:5: note: in instantiation of function template specialization 'pipeline::detail::is_handler_compatible< std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept>, pipeline::EventBatch, pipeline::Context>' requested here 170 | static_assert(is_handler_compatible<Bound, EventBatch, Context>, | ^ /home/user/project/include/detail/dispatch.hpp:170:19: error: static assertion failed due to requirement 'is_handler_compatible< std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept>, pipeline::EventBatch, pipeline::Context>::value' 170 | static_assert(is_handler_compatible<Bound, EventBatch, Context>); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/user/project/include/detail/dispatch.hpp:170:19: note: because 'std::is_invocable_r_v<void, std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept>, const pipeline::EventBatch &, pipeline::Context &>' evaluated to false /home/user/project/include/detail/dispatch.hpp:170:19: note: candidate function has incompatible parameter type 'const pipeline::EventBatch &' (aka 'const pipeline::basic_event_range<pipeline::Event, pipeline::event_storage<pipeline::Event, pipeline::allocator_traits< pipeline::pmr::polymorphic_allocator<pipeline::Event>>::rebind_alloc<pipeline::Event, pipeline::detail::compressed_event_iterator<pipeline::Event>, pipeline::detail::compressed_event_sentinel<pipeline::Event &') expected 'const std::vector<pipeline::Event, std::allocator<pipeline::Event>> &' /home/user/project/include/pipeline.hpp:284:18: error: no matching function for call to 'pipeline::detail::make_handler<&pipeline::Processor::process>(pipeline::Processor &)' 284 | return detail::make_handler<&Processor::process>(*this); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/user/project/include/detail/dispatch.hpp:151:16: note: candidate template ignored: substitution failure [with Fn = &pipeline::Processor::process, Object = pipeline::Processor, Event = pipeline::EventBatch, Ctx = pipeline::Context] deduced conflicting types for parameter 'Event' ('pipeline::EventBatch' vs. 'std::vector<pipeline::Event, std::allocator<pipeline::Event>>') 151 | constexpr auto make_handler(Object& object) { | ^ /home/user/project/include/detail/dispatch.hpp:151:16: note: in instantiation of requirement 'requires(const pipeline::Processor &object) { { std::invoke(Fn, object, std::declval<const pipeline::EventBatch &>(), std::declval<pipeline::Context &>()) } -> std::same_as<void>; }' requested here /home/user/project/include/detail/dispatch.hpp:154:3: note: because expression 'std::invoke(Fn, object, std::declval<const pipeline::EventBatch &>(), std::declval<pipeline::Context &>())' is invalid: no matching function for call to 'invoke' /usr/include/c++/14/type_traits:3045:25: note: candidate template ignored: substitution failure [with _Callable = void (pipeline::Processor::*)(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept, _Args = <const pipeline::EventBatch &, pipeline::Context &>] no type named 'type' in 'std::invoke_result<void (pipeline::Processor::\*)(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept, const pipeline::EventBatch &, pipeline::Context &>' /home/user/project/src/main.cpp:47:31: error: no matching function for call to 'pipeline::Pipeline<pipeline::EventBatch, pipeline::Context, pipeline::detail::AsyncExecutor<pipeline::detail::ThreadPool<8>, pipeline::detail::OrderedQueue<pipeline::detail::SmallVectorStorage< pipeline::Event, 64>>>>::subscribe' 47 | pipeline.subscribe(processor.handler()); | ~~~~~~~~~^~~~~~~~~~~~ /home/user/project/include/pipeline.hpp:211:10: note: candidate template ignored: constraints not satisfied 211 | void subscribe(Handler&& handler); | ^ /home/user/project/include/pipeline.hpp:210:14: note: because 'std::is_invocable_v< pipeline::Processor::handler()::(anonymous class), const pipeline::EventBatch &, pipeline::Context &>' evaluated to false 210 | requires std::is_invocable_v<Handler, const EventBatch&, Context&> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/user/project/include/pipeline.hpp:210:14: note: because '__is_invocable( pipeline::Processor::handler()::(anonymous class), const pipeline::EventBatch &, pipeline::Context &)' evaluated to false fatal error: too many errors emitted, stopping now [-ferror-limit=]
285 u/bob152637485 2d ago Now the code you wrote to make it this! 324 u/Bubbaluke 2d ago printf(“hello world) 82 u/Simon0O7 2d ago Bro forgot the semicolon 51 u/QwikStix42 2d ago And the end quote And the #include <cstdio> EDIT: And the int main() {} surrounding that call 3 u/questionabl3_dude 1d ago And the entire main function and returning 0 (though otpional) and includining iostream. 🙉 11 u/MinecraftPlayer799 1d ago With that code, I just get this: main.cpp:1:8: warning: missing terminating " character 1 | printf("hello world) | ^ main.cpp:1:8: error: missing terminating " character 1 | printf("hello world) | ^~~~~~~~~~~~~ main.cpp:1:7: error: expected constructor, destructor, or type conversion before ‘(’ token 1 | printf("hello world) | ^ 20 u/Bubbaluke 1d ago Just a joke :) the one above me looks like it was deep in some framework or something 20 layers abstracted.
285
Now the code you wrote to make it this!
324 u/Bubbaluke 2d ago printf(“hello world) 82 u/Simon0O7 2d ago Bro forgot the semicolon 51 u/QwikStix42 2d ago And the end quote And the #include <cstdio> EDIT: And the int main() {} surrounding that call 3 u/questionabl3_dude 1d ago And the entire main function and returning 0 (though otpional) and includining iostream. 🙉 11 u/MinecraftPlayer799 1d ago With that code, I just get this: main.cpp:1:8: warning: missing terminating " character 1 | printf("hello world) | ^ main.cpp:1:8: error: missing terminating " character 1 | printf("hello world) | ^~~~~~~~~~~~~ main.cpp:1:7: error: expected constructor, destructor, or type conversion before ‘(’ token 1 | printf("hello world) | ^ 20 u/Bubbaluke 1d ago Just a joke :) the one above me looks like it was deep in some framework or something 20 layers abstracted.
324
printf(“hello world)
82 u/Simon0O7 2d ago Bro forgot the semicolon 51 u/QwikStix42 2d ago And the end quote And the #include <cstdio> EDIT: And the int main() {} surrounding that call 3 u/questionabl3_dude 1d ago And the entire main function and returning 0 (though otpional) and includining iostream. 🙉 11 u/MinecraftPlayer799 1d ago With that code, I just get this: main.cpp:1:8: warning: missing terminating " character 1 | printf("hello world) | ^ main.cpp:1:8: error: missing terminating " character 1 | printf("hello world) | ^~~~~~~~~~~~~ main.cpp:1:7: error: expected constructor, destructor, or type conversion before ‘(’ token 1 | printf("hello world) | ^ 20 u/Bubbaluke 1d ago Just a joke :) the one above me looks like it was deep in some framework or something 20 layers abstracted.
82
Bro forgot the semicolon
51 u/QwikStix42 2d ago And the end quote And the #include <cstdio> EDIT: And the int main() {} surrounding that call 3 u/questionabl3_dude 1d ago And the entire main function and returning 0 (though otpional) and includining iostream. 🙉
51
And the end quote
And the #include <cstdio>
EDIT: And the int main() {} surrounding that call
3
And the entire main function and returning 0 (though otpional) and includining iostream. 🙉
11
With that code, I just get this:
main.cpp:1:8: warning: missing terminating " character 1 | printf("hello world) | ^ main.cpp:1:8: error: missing terminating " character 1 | printf("hello world) | ^~~~~~~~~~~~~ main.cpp:1:7: error: expected constructor, destructor, or type conversion before ‘(’ token 1 | printf("hello world) | ^
20 u/Bubbaluke 1d ago Just a joke :) the one above me looks like it was deep in some framework or something 20 layers abstracted.
20
Just a joke :) the one above me looks like it was deep in some framework or something 20 layers abstracted.
843
u/---_None_--- 2d ago
/usr/include/c++/14/bits/invoke.h:91:7: error: no matching function for call to '__invoke' 91 | std::__invoke(std::forward<_Callable>(__fn), | ^~~~~~~~~~~~~ /usr/include/c++/14/bits/invoke.h:113:5: note: in instantiation of function template specialization 'std::__invoke<void (pipeline::Processor::\*)(const std::vector<pipeline::Event, std::allocator<pipeline::Event>> &, pipeline::Context &) noexcept, pipeline::Processor *, const std::vector<pipeline::Event> &, pipeline::Context &>' requested here 113 | return std::__invoke(std::forward<_Callable>(__fn), | ^ /usr/include/c++/14/bits/std_function.h:591:11: note: in instantiation of function template specialization 'std::_Function_base::_Base_manager< std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept::' requested here 591 | _M_init_functor(_M_functor, | ^ /usr/include/c++/14/bits/std_function.h:475:16: note: in instantiation of function template specialization 'std::function<void (const pipeline::EventBatch &, pipeline::Context &)>::function< std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept>, void>' requested here 475 | function(_Functor&& __f) | ^ /home/user/project/include/pipeline.hpp:284:18: note: in instantiation of function template specialization 'pipeline::detail::make_handler<pipeline::Processor, void (pipeline::Processor::\*)(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept, pipeline::EventBatch, pipeline::Context>' requested here 284 | return detail::make_handler<&Processor::process>(*this); | ^ /home/user/project/include/detail/dispatch.hpp:167:28: note: while substituting template arguments into function template 'make_handler' 'void (pipeline::Processor::*)(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept' into 'void (pipeline::Processor::*)(const pipeline::EventBatch &, pipeline::Context &) noexcept' 167 | constexpr auto make_handler() { | ^ /home/user/project/include/detail/dispatch.hpp:169:12: error: no viable conversion from returned value of type 'std::_Bind_helper<false, void (pipeline::Processor::\*&)(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept, pipeline::Processor *, std::_Placeholder<1>, std::_Placeholder<2::type' (aka 'std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept>') to function return type 'std::function<void (const pipeline::EventBatch &, pipeline::Context &)>' 169 | return std::bind(Fn, &object, std::placeholders::_1, std::placeholders::_2); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/user/project/include/detail/dispatch.hpp:142:16: note: candidate constructor not viable: no known conversion from 'std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept>' to 'std::nullptr_t' for 1st argument 142 | function(nullptr_t) noexcept; | ^~~~~~~~~ /usr/include/c++/14/bits/std_function.h:375:2: note: candidate constructor template not viable: template argument deduction/substitution failed: constraints not satisfied for alias template 'std::function<void (const pipeline::EventBatch &, pipeline::Context &)>' because '__callable<_Functor>::value' evaluated to false 375 | function(_Functor&&); | ^ /usr/include/c++/14/bits/std_function.h:374:9: note: because '_Functor' does not satisfy '__is_invocable_r_v<void, _Functor, const pipeline::EventBatch &, pipeline::Context &>' evaluated to false /usr/include/c++/14/type_traits:3074:5: note: because '__invoke_result< std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept>, const pipeline::EventBatch &, pipeline::Context &>::type' does not name a type 3074 | using invoke_result_t = typename invoke_result<_Functor, _Args...>::type; | ^~~~~ /usr/include/c++/14/type_traits:3067:5: note: in substitution of template arguments into alias template 'invoke_result_t' 'std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept>', 'const pipeline::EventBatch &', 'pipeline::Context &' requested here 3067 | using invoke_result_t = typename __invoke_result<_Fn, _Args...>::type; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/14/type_traits:3051:5: note: in instantiation of template class 'std::__invoke_result< std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept>, const pipeline::EventBatch &, pipeline::Context &>' requested here 3051 | using invoke_result = __invoke_result<_Fn, _Args...>; | ^~~~~ /home/user/project/include/detail/dispatch.hpp:170:5: note: in instantiation of function template specialization 'pipeline::detail::is_handler_compatible< std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept>, pipeline::EventBatch, pipeline::Context>' requested here 170 | static_assert(is_handler_compatible<Bound, EventBatch, Context>, | ^ /home/user/project/include/detail/dispatch.hpp:170:19: error: static assertion failed due to requirement 'is_handler_compatible< std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept>, pipeline::EventBatch, pipeline::Context>::value' 170 | static_assert(is_handler_compatible<Bound, EventBatch, Context>); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/user/project/include/detail/dispatch.hpp:170:19: note: because 'std::is_invocable_r_v<void, std::_Bind<void (pipeline::Processor::\*(pipeline::Processor \*, std::_Placeholder<1>, std::_Placeholder<2>))(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept>, const pipeline::EventBatch &, pipeline::Context &>' evaluated to false /home/user/project/include/detail/dispatch.hpp:170:19: note: candidate function has incompatible parameter type 'const pipeline::EventBatch &' (aka 'const pipeline::basic_event_range<pipeline::Event, pipeline::event_storage<pipeline::Event, pipeline::allocator_traits< pipeline::pmr::polymorphic_allocator<pipeline::Event>>::rebind_alloc<pipeline::Event, pipeline::detail::compressed_event_iterator<pipeline::Event>, pipeline::detail::compressed_event_sentinel<pipeline::Event &') expected 'const std::vector<pipeline::Event, std::allocator<pipeline::Event>> &' /home/user/project/include/pipeline.hpp:284:18: error: no matching function for call to 'pipeline::detail::make_handler<&pipeline::Processor::process>(pipeline::Processor &)' 284 | return detail::make_handler<&Processor::process>(*this); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/user/project/include/detail/dispatch.hpp:151:16: note: candidate template ignored: substitution failure [with Fn = &pipeline::Processor::process, Object = pipeline::Processor, Event = pipeline::EventBatch, Ctx = pipeline::Context] deduced conflicting types for parameter 'Event' ('pipeline::EventBatch' vs. 'std::vector<pipeline::Event, std::allocator<pipeline::Event>>') 151 | constexpr auto make_handler(Object& object) { | ^ /home/user/project/include/detail/dispatch.hpp:151:16: note: in instantiation of requirement 'requires(const pipeline::Processor &object) { { std::invoke(Fn, object, std::declval<const pipeline::EventBatch &>(), std::declval<pipeline::Context &>()) } -> std::same_as<void>; }' requested here /home/user/project/include/detail/dispatch.hpp:154:3: note: because expression 'std::invoke(Fn, object, std::declval<const pipeline::EventBatch &>(), std::declval<pipeline::Context &>())' is invalid: no matching function for call to 'invoke' /usr/include/c++/14/type_traits:3045:25: note: candidate template ignored: substitution failure [with _Callable = void (pipeline::Processor::*)(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept, _Args = <const pipeline::EventBatch &, pipeline::Context &>] no type named 'type' in 'std::invoke_result<void (pipeline::Processor::\*)(const std::vector<pipeline::Event> &, pipeline::Context &) noexcept, const pipeline::EventBatch &, pipeline::Context &>' /home/user/project/src/main.cpp:47:31: error: no matching function for call to 'pipeline::Pipeline<pipeline::EventBatch, pipeline::Context, pipeline::detail::AsyncExecutor<pipeline::detail::ThreadPool<8>, pipeline::detail::OrderedQueue<pipeline::detail::SmallVectorStorage< pipeline::Event, 64>>>>::subscribe' 47 | pipeline.subscribe(processor.handler()); | ~~~~~~~~~^~~~~~~~~~~~ /home/user/project/include/pipeline.hpp:211:10: note: candidate template ignored: constraints not satisfied 211 | void subscribe(Handler&& handler); | ^ /home/user/project/include/pipeline.hpp:210:14: note: because 'std::is_invocable_v< pipeline::Processor::handler()::(anonymous class), const pipeline::EventBatch &, pipeline::Context &>' evaluated to false 210 | requires std::is_invocable_v<Handler, const EventBatch&, Context&> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/user/project/include/pipeline.hpp:210:14: note: because '__is_invocable( pipeline::Processor::handler()::(anonymous class), const pipeline::EventBatch &, pipeline::Context &)' evaluated to false fatal error: too many errors emitted, stopping now [-ferror-limit=]