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  1.  
  2. //Case 1
  3. constexpr int doSomethingMore(int x)
  4. {
  5.     return x + 1;
  6. }
  7.  
  8. //Case 2
  9. constexpr int doSomething(int x)
  10. {
  11.     return ++x;
  12. }
  13.  
  14.  
  15. int main()
  16. {
  17.  
  18. }
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 ‘constexpr int doSomething(int)’:
prog.cpp:12:1: error: expression ‘++ x’ is not a constant-expression
stdout
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Standard output is empty
https://ideone.com/ERZi8C
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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