How to you set C++ to C++17 in replit

Replit Help
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How do I set a repl to C++17?

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Hey @Gowtham911!

We use Nix as our system-wide package manager. Currently, Nix only goes up to C++16.

To set up C++16 in a Repl, you can edit the nix channel property of the .replit file to stable-23_05 and set the package in replit.nix to clang_16:

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Here is the ink to an example: https://replit.com/@ShaneAtReplit/CPlusPlus

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To get clang to use C++ 17, add/change the -std flag in Makefile. You could do this by running in Shell:

sed -i '/override CXXFLAGS/s/-std=[^[:blank:]]+|$/-std=c++17/' Makefile

You could even change 17 to 2b (23).

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