C# Compiler Error – CS8337 the first parameter of a ‘ref’ extension

In this blog post, you’ll learn more about the C# Compiler Error – CS8337 and the related message description

C# Compiler Error Code

CS8337

C# Compiler Description for the Code :CS8337

The first parameter of a ‘ref’ extension method ‘{0}’ must be a value type or a generic type constrained to struct.