Language
C++
Compiler
gcc HEAD 10.0.1 20200310 (experimental)
Options
Warnings
Boost 1.72.0
C++2a(GNU)
no pedantic
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.72.0/gcc-head/include -std=gnu++2a
message ID: 1, user ID: 5, message: Hello this is a message
message ID: 2, user ID: 8, message: this is a second message
Exit Code:
0