Language
C++
Compiler
gcc HEAD 11.0.0 20201025 (experimental)
Options
Warnings
Boost 1.73.0
C++2a
no pedantic
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.73.0/gcc-head/include -std=c++2a
1
2
3
box size is 1
box size is 2
box size is 3
1
2
3
box size is 1
box size is 2
box size is 3
Exit Code:
0