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  1. #include <iostream>
  2. #include <array>
  3.  
  4. class A{
  5. public:
  6.     const constexpr static std::array<int,3> m = {{1,2,3}};
  7.     void func(){
  8.         std::cout<<A::m[0];
  9.     };
  10. };
  11. A a;
  12. int main(){
  13.     a.func();
  14.     return 0;
  15. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
/home/8jbIUw/cc22yxTE.o: In function `main':
prog.cpp:(.text.startup+0x13): undefined reference to `A::m'
collect2: error: ld returned 1 exit status
stdout
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Standard output is empty
https://ideone.com/wq8IIW
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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