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  1. #include <functional>
  2.  
  3. typedef std::function<void(int)> TF1;
  4.  
  5. typedef void(*FooFn)(int);
  6. typedef std::function<FooFn>     TF2;
  7.  
  8. int main() {
  9.     TF1 tf1;
  10.     TF2 tf2;
  11.     return 0;
  12. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:10:9: error: aggregate ‘TF2 tf2’ has incomplete type and cannot be defined
     TF2 tf2;
         ^~~
stdout
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Standard output is empty
https://ideone.com/h6LIFv
Can I use a function typedef as the type parameter to boost::function?
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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