File Scoped Namespaces

• Mostly .cs files contains code for single namespace
• In C# 10, you can include a namespace as a statement, followed by a semi-colon and without the curly brackets
• Only one file-scoped namespace declaration is allowed, and it must come before any types are declared.

Old

namespace SampleNamespace
{
	class SampleClass
	{
	}
}

New

namespace SampleNamespace;
class SampleClass
{
}