compiling under gcc-10

[cailtin]

it seems that somebody is expecting that the std::string will unbox and provide a const char (which is funny std::string has that)

~/third_party/C++/csv-parser/build$ g++ --version
g++ (SUSE Linux) 10.3.0
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

$ free -h
total used free shared buff/cache available
Mem: 62Gi 3.6Gi 22Gi 65Mi 36Gi 58Gi
Swap: 11Gi 0B 11Gi

uname -a
Linux torin 5.3.18-150300.59.46-preempt #1 SMP PREEMPT Tue Feb 1 16:19:33 UTC 2022 (fb6d1ec) x86_64 x86_64 x86_64 GNU/Linux

[ 26%] Building CXX object programs/CMakeFiles/data_type_bench.dir/data_type_bench.cpp.o
/home/clopez/third_party/C++/csv-parser/programs/data_type_bench.cpp: In function ‘long double get_max(std::string, std::string, bool)’:
/home/clopez/third_party/C++/csv-parser/programs/data_type_bench.cpp:25:13: error: no matching function for call to ‘from_chars(const char*&, const char*, long double&)’
25 | );
| ^
In file included from /home/clopez/third_party/C++/csv-parser/programs/data_type_bench.cpp:1:
/usr/include/c++/10/charconv:595:5: note: candidate: ‘template std::__detail::__integer_from_chars_result_type<_Tp> std::from_chars(const char*, const char*, _Tp&, int)’
595 | from_chars(const char* __first, const char* __last, _Tp& __value,
| ^~~~~~~~~~
/usr/include/c++/10/charconv:595:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/charconv:40,
from /home/clopez/third_party/C++/csv-parser/programs/data_type_bench.cpp:1:
/usr/include/c++/10/type_traits: In substitution of ‘template<bool _Cond, class _Tp> using enable_if_t = typename std::enable_if::type [with bool _Cond = false; _Tp = std::from_chars_result]’:
/usr/include/c++/10/charconv:584:11: required by substitution of ‘template using __integer_from_chars_result_type = std::enable_if_t<std::_or<std::_or<std::is_same<typename std::remove_cv< >::type, signed char>, std::is_same<typename std::remove_cv< >::type, short int>, std::is_same<typename std::remove_cv< >::type, int>, std::is_same<typename std::remove_cv< >::type, long int>, std::is_same<typename std::remove_cv< >::type, long long int>, std::is_same<typename std::remove_cv< >::type, __int128> >, std::_or<std::is_same<typename std::remove_cv< >::type, unsigned char>, std::is_same<typename std::remove_cv< >::type, short unsigned int>, std::is_same<typename std::remove_cv< >::type, unsigned int>, std::is_same<typename std::remove_cv< >::type, long unsigned int>, std::is_same<typename std::remove_cv< >::type, long long unsigned int>, std::is_same<typename std::remove_cv< >::type, __int128 unsigned> >, std::is_same<char, typename std::remove_cv< >::type> >::value, std::from_chars_result> [with _Tp = long double]’
/usr/include/c++/10/charconv:595:5: required by substitution of ‘template std::__detail::__integer_from_chars_result_type<_Tp> std::from_chars(const char*, const char*, _Tp&, int) [with _Tp = long double]’
/home/clopez/third_party/C++/csv-parser/programs/data_type_bench.cpp:25:13: required from here
/usr/include/c++/10/type_traits:2554:11: error: no type named ‘type’ in ‘struct std::enable_if<false, std::from_chars_result>’
2554 | using enable_if_t = typename enable_if<_Cond, _Tp>::type;
| ^~~~~~~~~~~
make[2]: *** [programs/CMakeFiles/data_type_bench.dir/build.make:80: programs/CMakeFiles/data_type_bench.dir/data_type_bench.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:296: programs/CMakeFiles/data_type_bench.dir/all] Error 2

[cailtin]

closing nobody cares