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Groups > comp.lang.c++.moderated > #7349

Re: std::stoi

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> I have been using stoi to convert string representation of numbers
> into int since long. Only recently one such program of mine stopped
> working giving following error:
> 
> string_int.cpp: In function 'int main(int, char**)':
> string_int.cpp:29: error: 'stoi' is not a member of 'std'
> 
> Here is the code snippet:
> 
>     std::string newValStr = "777;
>     int newValInt = 0;
>     newValInt = std::stoi(newValStr);
> 
> I looked around internet and there doesn't seem to be any update on
> it. I am compiling it using g++ on Redhat Linux 6.2 with following
> gcc version:
> 
> gcc version 4.4.6 20110731 (Red Hat 4.4.6-3) (GCC)
> 
> Has anyone else also faced something similar?

Do you have C++11 enabled when compiling? -std=c++11? Maybe you changed
your compiler flags and it's now missing.

std::stoi was added in C++11.
http://en.cppreference.com/w/cpp/string/basic_string/stol

Regards,
Frank


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std::stoi kiran <kiran.tangeeda@googlemail.com> - 2015-11-04 06:56 -0600
  Re: std::stoi Öö Tiib <ootiib@hot.ee> - 2015-11-05 07:23 -0600
  Re: std::stoi James Kuyper <jameskuyper@verizon.net> - 2015-11-05 07:23 -0600
  Re: std::stoi Louis Krupp <lkrupp@nospam.pssw.com.invalid> - 2015-11-05 07:24 -0600
  Re: std::stoi Frank Tetzel <s1445051@mail.zih.tu-dresden.de> - 2015-11-05 07:23 -0600
  Re: std::stoi Elias Salomão Helou Neto <eshneto@googlemail.com> - 2015-11-05 07:25 -0600
    Re: std::stoi Francis Glassborow <francis.glassborow@btinternet.com> - 2015-11-05 12:25 -0600
  Re: std::stoi kiran <kiran.tangeeda@googlemail.com> - 2015-11-05 15:36 -0600

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