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created by

anonymous

53 seconds ago

​x
 
class cFoo
{
    //...
};
​
cFoo* doSomething()
{
    //...
    return nullptr;
}
​
int main(int argc, char* argv[])
{
    cFoo myFoo = doSomething();
}
​

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$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.73.0/gcc-10.1.0/include -std=gnu++2a

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prog.cc: In function 'int main(int, char**)':
prog.cc:14:29: error: conversion from 'cFoo*' to non-scalar type 'cFoo' requested
   14 |     cFoo myFoo = doSomething();
      |                  ~~~~~~~~~~~^~
prog.cc:12:14: warning: unused parameter 'argc' [-Wunused-parameter]
   12 | int main(int argc, char* argv[])
      |          ~~~~^~~~
prog.cc:12:26: warning: unused parameter 'argv' [-Wunused-parameter]
   12 | int main(int argc, char* argv[])
      |                    ~~~~~~^~~~~~

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