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Update CMakeList.txt in ch3/ that using Pangolin #284

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Update CMakeList.txt in ch3/ that using Pangolin #284

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Commits on Jul 20, 2023

  1. Update ch3/visualizeGeometry/CMakeLists.txt 

    在Ubuntu 22.04 环境下，build操作会出现 /usr/local/include/sigslot/signal.hpp 报错，修改支持版本后错误消除：
/usr/local/include/sigslot/signal.hpp:109:79: error: ‘decay_t’ is not a member of ‘std’; did you mean ‘decay’?
  109 | constexpr bool is_weak_ptr_compatible_v = detail::is_weak_ptr_compatible<std::decay_t<P>>::value;
      |                                                                               ^~~~~~~
      |                                                                               decay
/usr/local/include/sigslot/signal.hpp:109:79: error: ‘decay_t’ is not a member of ‘std’; did you mean ‘decay’?
  109 | constexpr bool is_weak_ptr_compatible_v = detail::is_weak_ptr_compatible<std::decay_t<P>>::value;
      |                                                                               ^~~~~~~
      |                                                                               decay
/usr/local/include/sigslot/signal.hpp:109:87: error: template argument 1 is invalid
  109 | constexpr bool is_weak_ptr_compatible_v = detail::is_weak_ptr_compatible<std::decay_t<P>>::value;
      |                                                                                       ^
......
    @lavandejoey
    lavandejoey authored Jul 20, 2023
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    ed21c6d View commit details
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  2. Update ch3/examples/CMakeLists.txt 

    在Ubuntu 22.04 环境下，build操作会出现 `/usr/local/include/sigslot/signal.hpp` 报错，修改支持版本为 C++14 后错误消除：
```cpp
/usr/local/include/sigslot/signal.hpp:109:79: error: ‘decay_t’ is not a member of ‘std’; did you mean ‘decay’?
109 | constexpr bool is_weak_ptr_compatible_v = detail::is_weak_ptr_compatible<std::decay_t<P>>::value;
|                                                                               ^~~~~~~
|                                                                               decay
/usr/local/include/sigslot/signal.hpp:109:79: error: ‘decay_t’ is not a member of ‘std’; did you mean ‘decay’?
109 | constexpr bool is_weak_ptr_compatible_v = detail::is_weak_ptr_compatible<std::decay_t<P>>::value;
|                                                                               ^~~~~~~
|                                                                               decay
......
```
    @lavandejoey
    lavandejoey authored Jul 20, 2023
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    Copy the full SHA
    a09a079 View commit details
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