Author
anonymous
over 6 years ago
Language
C++
Compiler
gcc 6.3.0
Options
Warnings
Boost 1.68.0
C++17(GNU)
no pedantic
Author
anonymous
over 6 years ago
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.68.0/gcc-6.3.0/include -std=gnu++17 prog.cc:30:13: error: explicitly defaulted function 'constexpr Test::Test()' cannot be declared as constexpr because the implicit declaration is not constexpr:
constexpr Test() noexcept = default;
^~~~
prog.cc:24:8: error: no matching function for call to 'Bar::Bar()'
struct Test
^~~~
prog.cc:19:13: note: candidate: constexpr Bar::Bar(Foo)
constexpr Bar(Foo const obj) noexcept : Foo(obj) {}
^~~
prog.cc:19:13: note: candidate expects 1 argument, 0 provided
prog.cc:12:8: note: candidate: constexpr Bar::Bar(const Bar&)
struct Bar : Foo
^~~
prog.cc:12:8: note: candidate expects 1 argument, 0 provided
prog.cc:12:8: note: candidate: constexpr Bar::Bar(Bar&&)
prog.cc:12:8: note: candidate expects 1 argument, 0 provided
prog.cc: In function 'int main()':
prog.cc:36:10: error: use of deleted function 'Test::Test()'
Test test ;
^~~~
prog.cc:30:13: note: 'Test::Test()' is implicitly deleted because the default definition would be ill-formed:
constexpr Test() noexcept = default;
^~~~
prog.cc:30:13: error: no matching function for call to 'Bar::Bar()'
prog.cc:19:13: note: candidate: constexpr Bar::Bar(Foo)
constexpr Bar(Foo const obj) noexcept : Foo(obj) {}
^~~
prog.cc:19:13: note: candidate expects 1 argument, 0 provided
prog.cc:12:8: note: candidate: constexpr Bar::Bar(const Bar&)
struct Bar : Foo
^~~
prog.cc:12:8: note: candidate expects 1 argument, 0 provided
prog.cc:12:8: note: candidate: constexpr Bar::Bar(Bar&&)
prog.cc:12:8: note: candidate expects 1 argument, 0 provided
Exit Code:
1