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  1. template<typename F>
  2. auto run_in_background(F && f) -> std::future<decltype(f())>
  3. {
  4.     std::packaged_task<F> t(f); // doesn't compile, I think I need to decompose F into "Ret(Args...)" somehow.
  5.     auto future = t.get_future();
  6.     // ...
  7.     return future;
  8. }
Compilation error #stdin compilation error #stdout 0s 0KB
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Standard input is empty
compilation info 
prog.cpp:2:35: error: expected type-specifier
prog.cpp:2:35: error: expected initializer
stdout
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Standard output is empty
https://ideone.com/LQKbHW
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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