Answers for "g++ use c++20"

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g++ use c++20

C++20 features are available since GCC 8.

To enable C++20 support, add the command-line parameter

	-std=c++20

For G++ 9 and later use

	-std=c++2a

Or, to enable GNU extensions in addition to C++20 features, add

	-std=gnu++20

Posted by: Guest on March-17-2022

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