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  1. auto foo(int i) {
  2.   return (i == 1) ? i : foo(i-1)+i ;  
  3. }
  4.  
  5. int main()
  6. {
  7.  
  8.  
  9. }
Compilation error #stdin compilation error #stdout 0s 3292KB
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stdin
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Standard input is empty
compilation info 
prog.cpp:1:15: warning: ‘foo’ function uses ‘auto’ type specifier without trailing return type [enabled by default]
 auto foo(int i) {
               ^
prog.cpp: In function ‘auto foo(int)’:
prog.cpp:2:25: error: use of ‘auto foo(int)’ before deduction of ‘auto’
   return (i == 1) ? i : foo(i-1)+i ;  
                         ^
stdout
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Standard output is empty
https://ideone.com/QWeLjj
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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