Language
C++
Compiler
gcc HEAD 11.0.0 20201026 (experimental)
Options
Boost 1.68.0
C++2a
no pedantic
$ g++ prog.cc -I/opt/wandbox/boost-1.68.0/gcc-head/include -std=c++2a
1
1 2 3 4 5
{1 2} {3 4}
{1 2 3 4}
{1 2 3}
{{1 2} 3 4}
{a: {1 2} b: {3 4}}
{{1 2} {3 4}}
{{{1 2} {3 4}} 5}
{{{1 2} {3 4}} 5 6 7 {{8} {{10 11} 12}}}
Exit Code:
0