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Posted to jira@arrow.apache.org by "Anders Wind (Jira)" <ji...@apache.org> on 2021/11/23 16:18:00 UTC

[jira] [Updated] (ARROW-14800) Compiler error on LocalFileSystem::OpenOutputStream "'arrow::internal::launder': ambiguous call to overloaded function"

     [ https://issues.apache.org/jira/browse/ARROW-14800?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anders Wind updated ARROW-14800:
--------------------------------
    Description: 
Hi, I'm trying to upgrade to arrow-cpp 6.0 and I have some code which compiles with 5.0.0:
{code:java}
inline void write_table(const std::shared_ptr<arrow::Table>& table, const std::string& file)
{
    auto arrow_fs_ = arrow::fs::LocalFileSystem();
    std::string corrected_path = value_or_throw(arrow_fs_.NormalizePath(file));
    auto stream_opt = arrow_fs_.OpenOutputStream(corrected_path);
    auto status = arrow::ipc::feather::WriteTable(*table, value_or_throw(stream_opt).get());
    ALCC_ARROW_STATUS_CHECK(status);
}{code}
 

The following line is the root of the compile stack trace

 
{code:java}
auto stream_opt = arrow_fs_.OpenOutputStream(corrected_path);{code}
 

It gives me the following error:
{code:java}
 
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/aligned_storage.h(36,1): error C2668: 'arrow::internal::launder': ambiguous call to overloaded function [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\market_data\marke
t_data.vcxproj]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/launder.h(29,14): message : could be 'T *arrow::internal::launder<T>(T *) noexcept' [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\market_data\market_data.vcxproj]      
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30133\include\new(33,27): message : or       '_Ty *std::launder<T>(_Ty *) noexcept' [found using argument-dependent lookup] [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\market_data\m 
arket_data.vcxproj]
          with
          [
              _Ty=std::shared_ptr<arrow::io::OutputStream>,
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/aligned_storage.h(36,1): message : while trying to match the argument list '(T *)' [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\market_data\market_data.vcxproj]       
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/aligned_storage.h(36): message : while compiling class template member function 'T *arrow::internal::AlignedStorage<T>::get(void) noexcept' [C:\Users\anders.wind\Documents\0.Projects\Alip 
esQuant\alcc\build\market_data\market_data.vcxproj]
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/result.h(424): message : see reference to function template instantiation 'T *arrow::internal::AlignedStorage<T>::get(void) noexcept' being compiled [C:\Users\anders.wind\Documents\0.Projects\ 
AlipesQuant\alcc\build\market_data\market_data.vcxproj]
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/result.h(435): message : see reference to class template instantiation 'arrow::internal::AlignedStorage<T>' being compiled [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\mar 
ket_data\market_data.vcxproj]
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\astl\include\astl/arrow_helpers.h(86): message : see reference to class template instantiation 'arrow::Result<std::shared_ptr<arrow::io::OutputStream>>' being compiled [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alc 
c\build\market_data\market_data.vcxproj]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/aligned_storage.h(36,1): error C2668: 'arrow::internal::launder': ambiguous call to overloaded function [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\simulation\simula
te.vcxproj]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/launder.h(29,14): message : could be 'T *arrow::internal::launder<T>(T *) noexcept' [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\simulation\simulate.vcxproj]
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30133\include\new(33,27): message : or       '_Ty *std::launder<T>(_Ty *) noexcept' [found using argument-dependent lookup] [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\simulation\si 
mulate.vcxproj]
          with
          [
              _Ty=std::shared_ptr<arrow::io::OutputStream>,
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/aligned_storage.h(36,1): message : while trying to match the argument list '(T *)' [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\simulation\simulate.vcxproj]
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/aligned_storage.h(36): message : while compiling class template member function 'T *arrow::internal::AlignedStorage<T>::get(void) noexcept' [C:\Users\anders.wind\Documents\0.Projects\Alip 
esQuant\alcc\build\simulation\simulate.vcxproj]
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/result.h(424): message : see reference to function template instantiation 'T *arrow::internal::AlignedStorage<T>::get(void) noexcept' being compiled [C:\Users\anders.wind\Documents\0.Projects\ 
AlipesQuant\alcc\build\simulation\simulate.vcxproj]
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/result.h(435): message : see reference to class template instantiation 'arrow::internal::AlignedStorage<T>' being compiled [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\sim 
ulation\simulate.vcxproj]
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\astl\include\astl/arrow_helpers.h(86): message : see reference to class template instantiation 'arrow::Result<std::shared_ptr<arrow::io::OutputStream>>' being compiled [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alc 
c\build\simulation\simulate.vcxproj]


{code}
{{I compile with c++17 flags}}

  was:
Hi, I'm trying to upgrade to arrow-cpp 6.0 and I have some code which compiles with 5.0.0:
{code:java}
inline void write_table(const std::shared_ptr<arrow::Table>& table, const std::string& file)
{
    auto arrow_fs_ = arrow::fs::LocalFileSystem();
    std::string corrected_path = value_or_throw(arrow_fs_.NormalizePath(file));
    auto stream_opt = arrow_fs_.OpenOutputStream(corrected_path);
    auto status = arrow::ipc::feather::WriteTable(*table, value_or_throw(stream_opt).get());
    ALCC_ARROW_STATUS_CHECK(status);
}{code}
 

The following line is the root of the compile stack trace

 
{code:java}
auto stream_opt = arrow_fs_.OpenOutputStream(corrected_path);{code}
 

It gives me the following error:
{code:java}
 
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/aligned_storage.h(36,1): error C2668: 'arrow::internal::launder': ambiguous call to overloaded function [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\market_data\marke
t_data.vcxproj]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/launder.h(29,14): message : could be 'T *arrow::internal::launder<T>(T *) noexcept' [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\market_data\market_data.vcxproj]      
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30133\include\new(33,27): message : or       '_Ty *std::launder<T>(_Ty *) noexcept' [found using argument-dependent lookup] [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\market_data\m 
arket_data.vcxproj]
          with
          [
              _Ty=std::shared_ptr<arrow::io::OutputStream>,
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/aligned_storage.h(36,1): message : while trying to match the argument list '(T *)' [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\market_data\market_data.vcxproj]       
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/aligned_storage.h(36): message : while compiling class template member function 'T *arrow::internal::AlignedStorage<T>::get(void) noexcept' [C:\Users\anders.wind\Documents\0.Projects\Alip 
esQuant\alcc\build\market_data\market_data.vcxproj]
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/result.h(424): message : see reference to function template instantiation 'T *arrow::internal::AlignedStorage<T>::get(void) noexcept' being compiled [C:\Users\anders.wind\Documents\0.Projects\ 
AlipesQuant\alcc\build\market_data\market_data.vcxproj]
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/result.h(435): message : see reference to class template instantiation 'arrow::internal::AlignedStorage<T>' being compiled [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\mar 
ket_data\market_data.vcxproj]
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\astl\include\astl/arrow_helpers.h(86): message : see reference to class template instantiation 'arrow::Result<std::shared_ptr<arrow::io::OutputStream>>' being compiled [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alc 
c\build\market_data\market_data.vcxproj]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/aligned_storage.h(36,1): error C2668: 'arrow::internal::launder': ambiguous call to overloaded function [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\simulation\simula
te.vcxproj]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/launder.h(29,14): message : could be 'T *arrow::internal::launder<T>(T *) noexcept' [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\simulation\simulate.vcxproj]
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30133\include\new(33,27): message : or       '_Ty *std::launder<T>(_Ty *) noexcept' [found using argument-dependent lookup] [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\simulation\si 
mulate.vcxproj]
          with
          [
              _Ty=std::shared_ptr<arrow::io::OutputStream>,
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/aligned_storage.h(36,1): message : while trying to match the argument list '(T *)' [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\simulation\simulate.vcxproj]
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/aligned_storage.h(36): message : while compiling class template member function 'T *arrow::internal::AlignedStorage<T>::get(void) noexcept' [C:\Users\anders.wind\Documents\0.Projects\Alip 
esQuant\alcc\build\simulation\simulate.vcxproj]
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/result.h(424): message : see reference to function template instantiation 'T *arrow::internal::AlignedStorage<T>::get(void) noexcept' being compiled [C:\Users\anders.wind\Documents\0.Projects\ 
AlipesQuant\alcc\build\simulation\simulate.vcxproj]
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/result.h(435): message : see reference to class template instantiation 'arrow::internal::AlignedStorage<T>' being compiled [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\sim 
ulation\simulate.vcxproj]
          with
          [
              T=std::shared_ptr<arrow::io::OutputStream>
          ]
C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\astl\include\astl/arrow_helpers.h(86): message : see reference to class template instantiation 'arrow::Result<std::shared_ptr<arrow::io::OutputStream>>' being compiled [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alc 
c\build\simulation\simulate.vcxproj]


{code}
{{I compile with c++17 flags (but wish to move to c++20)}}


> Compiler error on LocalFileSystem::OpenOutputStream "'arrow::internal::launder': ambiguous call to overloaded function"
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: ARROW-14800
>                 URL: https://issues.apache.org/jira/browse/ARROW-14800
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>    Affects Versions: 6.0.1
>         Environment: Windows 10, Visual Studio 2019 16.11.6
>            Reporter: Anders Wind
>            Priority: Major
>
> Hi, I'm trying to upgrade to arrow-cpp 6.0 and I have some code which compiles with 5.0.0:
> {code:java}
> inline void write_table(const std::shared_ptr<arrow::Table>& table, const std::string& file)
> {
>     auto arrow_fs_ = arrow::fs::LocalFileSystem();
>     std::string corrected_path = value_or_throw(arrow_fs_.NormalizePath(file));
>     auto stream_opt = arrow_fs_.OpenOutputStream(corrected_path);
>     auto status = arrow::ipc::feather::WriteTable(*table, value_or_throw(stream_opt).get());
>     ALCC_ARROW_STATUS_CHECK(status);
> }{code}
>  
> The following line is the root of the compile stack trace
>  
> {code:java}
> auto stream_opt = arrow_fs_.OpenOutputStream(corrected_path);{code}
>  
> It gives me the following error:
> {code:java}
>  
> C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/aligned_storage.h(36,1): error C2668: 'arrow::internal::launder': ambiguous call to overloaded function [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\market_data\marke
> t_data.vcxproj]
> C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/launder.h(29,14): message : could be 'T *arrow::internal::launder<T>(T *) noexcept' [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\market_data\market_data.vcxproj]      
>           with
>           [
>               T=std::shared_ptr<arrow::io::OutputStream>
>           ]
> C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30133\include\new(33,27): message : or       '_Ty *std::launder<T>(_Ty *) noexcept' [found using argument-dependent lookup] [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\market_data\m 
> arket_data.vcxproj]
>           with
>           [
>               _Ty=std::shared_ptr<arrow::io::OutputStream>,
>               T=std::shared_ptr<arrow::io::OutputStream>
>           ]
> C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/aligned_storage.h(36,1): message : while trying to match the argument list '(T *)' [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\market_data\market_data.vcxproj]       
>           with
>           [
>               T=std::shared_ptr<arrow::io::OutputStream>
>           ]
> C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/aligned_storage.h(36): message : while compiling class template member function 'T *arrow::internal::AlignedStorage<T>::get(void) noexcept' [C:\Users\anders.wind\Documents\0.Projects\Alip 
> esQuant\alcc\build\market_data\market_data.vcxproj]
>           with
>           [
>               T=std::shared_ptr<arrow::io::OutputStream>
>           ]
> C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/result.h(424): message : see reference to function template instantiation 'T *arrow::internal::AlignedStorage<T>::get(void) noexcept' being compiled [C:\Users\anders.wind\Documents\0.Projects\ 
> AlipesQuant\alcc\build\market_data\market_data.vcxproj]
>           with
>           [
>               T=std::shared_ptr<arrow::io::OutputStream>
>           ]
> C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/result.h(435): message : see reference to class template instantiation 'arrow::internal::AlignedStorage<T>' being compiled [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\mar 
> ket_data\market_data.vcxproj]
>           with
>           [
>               T=std::shared_ptr<arrow::io::OutputStream>
>           ]
> C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\astl\include\astl/arrow_helpers.h(86): message : see reference to class template instantiation 'arrow::Result<std::shared_ptr<arrow::io::OutputStream>>' being compiled [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alc 
> c\build\market_data\market_data.vcxproj]
> C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/aligned_storage.h(36,1): error C2668: 'arrow::internal::launder': ambiguous call to overloaded function [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\simulation\simula
> te.vcxproj]
> C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/launder.h(29,14): message : could be 'T *arrow::internal::launder<T>(T *) noexcept' [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\simulation\simulate.vcxproj]
>           with
>           [
>               T=std::shared_ptr<arrow::io::OutputStream>
>           ]
> C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30133\include\new(33,27): message : or       '_Ty *std::launder<T>(_Ty *) noexcept' [found using argument-dependent lookup] [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\simulation\si 
> mulate.vcxproj]
>           with
>           [
>               _Ty=std::shared_ptr<arrow::io::OutputStream>,
>               T=std::shared_ptr<arrow::io::OutputStream>
>           ]
> C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/aligned_storage.h(36,1): message : while trying to match the argument list '(T *)' [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\simulation\simulate.vcxproj]
>           with
>           [
>               T=std::shared_ptr<arrow::io::OutputStream>
>           ]
> C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/util/aligned_storage.h(36): message : while compiling class template member function 'T *arrow::internal::AlignedStorage<T>::get(void) noexcept' [C:\Users\anders.wind\Documents\0.Projects\Alip 
> esQuant\alcc\build\simulation\simulate.vcxproj]
>           with
>           [
>               T=std::shared_ptr<arrow::io::OutputStream>
>           ]
> C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/result.h(424): message : see reference to function template instantiation 'T *arrow::internal::AlignedStorage<T>::get(void) noexcept' being compiled [C:\Users\anders.wind\Documents\0.Projects\ 
> AlipesQuant\alcc\build\simulation\simulate.vcxproj]
>           with
>           [
>               T=std::shared_ptr<arrow::io::OutputStream>
>           ]
> C:\Users\anders.wind\Miniconda3\envs\quant_env_r20211123_1359_841f2c7e\Library\include\arrow/result.h(435): message : see reference to class template instantiation 'arrow::internal::AlignedStorage<T>' being compiled [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\build\sim 
> ulation\simulate.vcxproj]
>           with
>           [
>               T=std::shared_ptr<arrow::io::OutputStream>
>           ]
> C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alcc\astl\include\astl/arrow_helpers.h(86): message : see reference to class template instantiation 'arrow::Result<std::shared_ptr<arrow::io::OutputStream>>' being compiled [C:\Users\anders.wind\Documents\0.Projects\AlipesQuant\alc 
> c\build\simulation\simulate.vcxproj]
> {code}
> {{I compile with c++17 flags}}



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