GCop501.md

GCop 501

"Do not call {'MethodName'} method of class {'ClassName'} as a static method"

Rule description

Every extension method is a static method, and therefore can be called directly. However, that is ugly and defeats the purpose. After all, the method is defined as an extension method rather than a normal method so it can be called like an instance method.

Example

public static class MyBlahBlahExtensions
{
    public static string GetSomething(this string @this)
    {
        ...
    }
}

    ...
    void SomeCaller()
    {
        ...
        var x = MyBlahBlahExtensions.GetSomething(message);             
    }

should be 🡻

public static class MyBlahBlahExtensions
{
    public static void GetSomething(this string @this)
    {
        ...
    }
}

    ...
    void SomeCaller()
    {
        ...
        var x = message.GetSomething();             
    }