C++: error: no matching function for call to ‘std::exception

C++报错:
main.cpp:607: error: no matching function for call to ‘std::exception::exception(const char [15])’, throw std::exception(“Invalid input.”);

将原来的

 throw std::exception("Invalid input."); 

修改为

 std::logic_error e("Invalid input.");
	        throw std::exception(e);

并添加头文件

#include <iostream>
#include <stdexcept>
using namespace std;
====================[ 构建 | show | Debug ]======================================= /snap/clion/326/bin/cmake/linux/x64/bin/cmake --build /home/sfx233/yinyou/src/answer/cmake-build-debug --target show -j 22 [1/2] Building CXX object CMakeFiles/show.dir/src/show.cpp.o FAILED: CMakeFiles/show.dir/src/show.cpp.o /usr/bin/c++ -DDEFAULT_RMW_IMPLEMENTATION=rmw_fastrtps_cpp -DRCUTILS_ENABLE_FAULT_INJECTION -isystem /opt/ros/humble/include/rclcpp -isystem /opt/ros/humble/include/sensor_msgs -isystem /opt/ros/humble/include/cv_bridge -isystem /usr/include/opencv4 -isystem /opt/ros/humble/include/ament_index_cpp -isystem /opt/ros/humble/include/libstatistics_collector -isystem /opt/ros/humble/include/builtin_interfaces -isystem /opt/ros/humble/include/rosidl_runtime_c -isystem /opt/ros/humble/include/rcutils -isystem /opt/ros/humble/include/rosidl_typesupport_interface -isystem /opt/ros/humble/include/fastcdr -isystem /opt/ros/humble/include/rosidl_runtime_cpp -isystem /opt/ros/humble/include/rosidl_typesupport_fastrtps_cpp -isystem /opt/ros/humble/include/rmw -isystem /opt/ros/humble/include/rosidl_typesupport_fastrtps_c -isystem /opt/ros/humble/include/rosidl_typesupport_introspection_c -isystem /opt/ros/humble/include/rosidl_typesupport_introspection_cpp -isystem /opt/ros/humble/include/rcl -isystem /opt/ros/humble/include/rcl_interfaces -isystem /opt/ros/humble/include/rcl_logging_interface -isystem /opt/ros/humble/include/rcl_yaml_param_parser -isystem /opt/ros/humble/include/libyaml_vendor -isystem /opt/ros/humble/include/tracetools -isystem /opt/ros/humble/include/rcpputils -isystem /opt/ros/humble/include/statistics_msgs -isystem /opt/ros/humble/include/rosgraph_msgs -isystem /opt/ros/humble/include/rosidl_typesupport_cpp -isystem /opt/ros/humble/include/rosidl_typesupport_c -isystem /opt/ros/humble/include/geometry_msgs -isystem /opt/ros/humble/include/std_msgs -g -fdiagnostics-color=always -MD -MT CMakeFiles/show.dir/src/show.cpp.o -MF CMakeFiles/show.dir/src/show.cpp.o.d -o CMakeFiles/show.dir/src/show.cpp.o -c /home/sfx233/yinyou/src/answer/src/show.cpp /home/sfx233/yinyou/src/answer/src/show.cpp: In constructor ‘picture_show::picture_show()’: /home/sfx233/yinyou/src/answer/src/show.cpp:14:109: error: no matching function for call to ‘picture_show::image_callback()’ 14 | std::bind(&picture_show::image_callback(), this, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~ /home/sfx233/yinyou/src/answer/src/show.cpp:19:13: note: candidate: ‘void picture_show::image_callback(sensor_msgs::msg::Image_<std::allocator<void> >::SharedPtr)’ 19 | void image_callback(const sensor_msgs::msg::Image::SharedPtr msg) { | ^~~~~~~~~~~~~~ /home/sfx233/yinyou/src/answer/src/show.cpp:19:13: note: candidate expects 1 argument, 0 provided /home/sfx233/yinyou/src/answer/src/show.cpp: In member function ‘void picture_show::image_callback(sensor_msgs::msg::Image_<std::allocator<void> >::SharedPtr)’: /home/sfx233/yinyou/src/answer/src/show.cpp:27:16: error: expected primary-expression before ‘catch’ 27 | }catch (const cv_bridge::Exception& e){ | ^~~~~ /home/sfx233/yinyou/src/answer/src/show.cpp:30:12: error: expected ‘catch’ before ‘;’ token 30 | }; | ^ /home/sfx233/yinyou/src/answer/src/show.cpp:30:12: error: expected ‘(’ before ‘;’ token /home/sfx233/yinyou/src/answer/src/show.cpp:30:12: error: expected type-specifier before ‘;’ token /home/sfx233/yinyou/src/answer/src/show.cpp:30:12: error: expected ‘)’ before ‘;’ token /home/sfx233/yinyou/src/answer/src/show.cpp:30:12: note: to match this ‘(’ /home/sfx233/yinyou/src/answer/src/show.cpp:30:12: error: expected ‘{’ before ‘;’ token ninja: build stopped: subcommand failed.
最新发布
03-12
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