Language
C++
Compiler
gcc HEAD 11.0.0 20200910 (experimental)
Options
Warnings
Boost 1.73.0
C++2a
-pedantic
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.73.0/gcc-head/include -std=c++2a -pedantic
10
Exit Code:
0
C++
gcc HEAD 11.0.0 20200910 (experimental)
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.73.0/gcc-head/include -std=c++2a -pedantic prog.cc: In function 'int main()':
prog.cc:12:27: warning: top-level comma expression in array subscript is deprecated [-Wcomma-subscript]
12 | printf("\n%d",arr[0][1,0]); // C4709
| ^
prog.cc:12:26: warning: left operand of comma operator has no effect [-Wunused-value]
12 | printf("\n%d",arr[0][1,0]); // C4709
| ^
10