Wandbox

Ran/Viewed Log

Author

anonymous

over 1 year ago

Language

C++

Compiler

clang 15.0.7

Options

Warnings

Boost 1.80.0

C++2a

no pedantic

Author

anonymous

over 1 year ago

$ clang++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.80.0-clang-15.0.7/include -std=c++2a

prog.cc:14:18: error: constexpr variable 'b' must be initialized by a constant expression
  constexpr bool b = s.f();
                 ^   ~~~~~
prog.cc:14:22: note: function parameter 's' with unknown value cannot be used in a constant expression
  constexpr bool b = s.f();
                     ^
prog.cc:13:14: note: declared here
void call(S& s) {
             ^
prog.cc:17:17: error: constexpr variable 'N' must be initialized by a constant expression
  constexpr int N = s.constant;
                ^   ~~~~~~~~~~
prog.cc:17:21: note: function parameter 's' with unknown value cannot be used in a constant expression
  constexpr int N = s.constant;
                    ^
prog.cc:13:14: note: declared here
void call(S& s) {
             ^
2 errors generated.

Exit Code:

1