Language
C++
Compiler
gcc HEAD 10.0.0 20190710 (experimental)
Options
Warnings
Optimization
Boost 1.69.0
C++2a
no pedantic
$ g++ prog.cc -Wall -Wextra -O2 -march=native -I/opt/wandbox/boost-1.69.0/gcc-head/include -std=c++2a
Exit Code:
1
Author
anonymous
over 5 years ago
C++
gcc HEAD 10.0.0 20190710 (experimental)
Author
anonymous
over 5 years ago
$ g++ prog.cc -Wall -Wextra -O2 -march=native -I/opt/wandbox/boost-1.69.0/gcc-head/include -std=c++2a
prog.cc: In function 'int main()':
prog.cc:21:21: error: no match for call to '(S<>) ()'
21 | std::cout << comb() << '\n';
| ^
prog.cc:22:22: error: no match for call to '(S<>) (int)'
22 | std::cout << comb(5) << '\n';
| ^
prog.cc: In instantiation of 'S<Lambda_types>::S(T&& ...) [with T = {main()::<lambda()>&, main()::<lambda(int)>&}; Lambda_types = {}]':
prog.cc:19:15: required from here
prog.cc:8:69: error: mismatched argument pack lengths while expanding 'Lambda_types'
8 | S(T&&... lambda_args) : Lambda_types{std::forward<T>(lambda_args)}... {} // Mistmach argument pack length !!!
| ^~~