Wandbox

Ran/Viewed Log

Author

anonymous

over 5 years ago

Language

C++

Compiler

gcc HEAD 10.0.0 20191119 (experimental)

Options

Warnings

Boost 1.71.0

C++2a(GNU)

no pedantic

Author

anonymous

over 5 years ago

$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.71.0/gcc-head/include -std=gnu++2a

prog.cc: In lambda function:
prog.cc:15:25: error: invalid use of 'auto'
   15 |     requires ([]{return true ;}())
      |                         ^~~~
prog.cc:15:25: error: could not convert 'true' from 'bool' to 'auto'
prog.cc: In function 'int main()':
prog.cc:22:13: error: use of function 'void h() [with T = void]' with unsatisfied constraints
   22 |     h<void>() ; // unsatisfied constraint
      |             ^
prog.cc:16:6: note: declared here
   16 | void h() { }
      |      ^
prog.cc:16:6: note: constraints not satisfied
prog.cc: In lambda function:
prog.cc:16:6:   required by the constraints of 'template<class T>  requires (<lambda>)() void h()'
prog.cc:15:25: error: invalid use of 'auto'
   15 |     requires ([]{return true ;}())
      |                         ^~~~
prog.cc:15:25: error: could not convert 'true' from 'bool' to 'auto'
prog.cc: In lambda function:
prog.cc:15:25: error: invalid use of 'auto'
prog.cc:15:25: error: could not convert 'true' from 'bool' to 'auto'

Exit Code:

1