c++ namespace 5 minutes, maybe 3 minutes

namespace

std::cout << std::endl;

std is a namespace.

Create your own namespace

Make your own namespace

namespace my_space
{
	float x = 2.5f;
}

std::cout << my_space::x << std::endl;

Make your own nested namespace 1

namespace my_space::my_name
{
	float x = 5.2f;
}

std::cout << my_space::my_name::x << std::endl;

Make your own nested namespace 2

namespace my_space
{
	namespace my_star
	{
		float x = 2.5f;
	}
}

std::cout << my_space::my_star::x << std::endl;

Written on Oct 31, 2024

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c++ std::exception:

std::cout.write(err.data(), err.size());

std::cout << std::endl;

caught:

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