Language
C++
Compiler
gcc HEAD 10.0.0 20190919 (experimental)
Options
Warnings
Boost 1.71.0
C++2a(GNU)
no pedantic
Raw compiler options
-fconcepts
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.71.0/gcc-head/include -std=gnu++2a -fconcepts
array xs: false
vector ys: false
set zs: true
zs.count( 7 ) = 1
Exit Code:
0